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  • Introduction to the principle and application of industrial optical fiber endoscope
    March 04, 2024

    Industrial optical fiber endoscope is a kind of remote visual inspection equipment, with fine diameter, flexible characteristics, mostly used for some narrow curved test piece internal inspection, such as: turbine, small diameter process pipeline, aircraft fuselage, boiler pipeline maintenance, easy to use, is widely used. Understanding the imaging principles of industrial fiber optic endoscope can help to buy good products. Industrial fiber optic endoscopes often consof the objective lens, the mirror tube, the control unit, and the eyepiece. The guide beam providing lighting and the guide fiber optic beam responsible for transmission are all running through the mirror tube. The imaging core of optical fiber mirror lies in the optical fiber beam, and its imaging principle can be understood from the perspective of local single optical fiber and overall optical beam. The imaging principle of industrial fiber optic endoscopy is based on a combination of optical and fiber optic technology, which allows the transmission of images through optical fibers, enabling visual detection in environments that are difficult to observe directly. This technology is widely used in aviation, automobile, electric power, chemical industry and other fields, providing a convenient and efficient means for the internal detection and maintenance of industrial equipment. First, let's take a look at the basic structure and characteristics of the optical fiber. The optical fiber consists of three parts: fiber core, cladding and coating. The core is the core part of the optical fiber that transmits the optical signal; the cladding protects the optical signal and prevents its leakage; the coating is the outermost protective layer, increasing the durability and flexibility of the fiber. The characteristics of optical fiber include low loss, high bandwidth, and strong anti-interference ability, which makes optical fiber an ideal choice for long-distance, high-speed, and large-capacity data transmission. In industrial optical fiber endoscopes, optical fibers are used to transmit light signals reflected back from the inside of the device. The probe portion of the endoscope is usually equipped with one or more fiber beams that introduce light signals from the external light source into the device and collect light signals reflected back from the inside of the device. These optical signals are transmitted to the viewing end through the fiber beam, which is then converted into a visual image through the imaging system. At the core of the imaging system is the image sensor, which converts the received optical signal into an electrical signal, which is then processed through an electronic amplifier and finally output to the display. Depending on the type of sensor, the imaging system can be divided into two types: a charge-coupled device (CCD) sensor, and the other is a complementary metal oxide semiconductor (CMOS) sensor. Both sensors have advantages and disadvantages, but both achieve high-quality image output. In addition to the imaging system, industrial fiber-optic endoscopes require an optical system to focus and adjust the light. The optical system includes components such as an objective, an eyepiece and a focusing mechanism, which together ensure that the light can be accurately focused on the sensor to obtain a clear, accurate image. In practical application, industrial optical fiber optic endoscope also needs to consider the influence of environmental factors. For example, the imaging quality of an endoscope may be affected in harsh environments such as high temperature, high humidity, and strong electromagnetic interference. Therefore, the design needs to take the corresponding protective measures, such as the use of high temperature, moisture, anti-interference optical fiber and sensors, to ensure that the endoscope can work normally in various environments. In addition, the industrial fiber-optic endoscope also needs to consider the problem of image processing. Because the transmission process may be affected by noise, distortion and other factors, it is necessary to pre-processing, enhancement and recovery of the received images to improve the clarity and contrast of the image. These image processing technologies include filtering, denoising, enhancement, segmentation, which can help us to better identify and analyze the information in the image. In conclusion, the imaging principle of industrial fiber optic endoscope is based on the combination of optical and fiber optic technology, through which images are transmitted through optical fibers and processed by the imaging system to obtain visual images. In practical applications, the influence of environmental factors and the problem of image processing are considered to ensure that the endoscope works properly and output high-quality images. With the continuous development of technology, industrial fiber optic endoscope will be applied and promoted in more fields.

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  • Notice of Chinese New Year Holiday in 2024 from Nanjing Hecho Technology
    February 01, 2024

    Dear customers and all staff, As the year 2024 approaches, in accordance with the national holiday regulations and taking into consideration the company's situation, after thorough discussion, the holiday schedule is as follows: A holiday will be observed from Tuesday, February 6th, 2024, to Sunday, February 18th, 2024, a total of 13 days. Work will resume on Sunday, February 4th, 2024, and Monday, February 19th, 2024. We would like to take this opportunity to wish all our valuable customers and employees a happy holiday and good health. Hecho Technology Co., Ltd., Nanjing Thursday, February 1th, 2024

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  • Notice of New Year Holiday in 2024 from Nanjing Hecho Technology
    December 29, 2023

    Dear customers and all staff, As New Year's Day in 2024 approaches, in accordance with national holiday regulations and considering the company's situation, after careful consideration, the holiday arrangements are as follows: The company will be closed from 30th, 2023 (Saturday) to January 1st, 2024 (Monday), for total of 3 days. Normal working hours will resume on January 2nd, 2024 (Tuesday). We would like to take this opportunity to wish our valued customers and all staff a happy holiday and good health! Nanjing Hecho Technology Co., Ltd. December 28th, 2023, Thursday.

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  • Fiber lasers doped with erbium in cosmetic procedures
    December 22, 2023

    Fiber lasers doped with erbium are widely used in cosmetic surgery, where their laser beams can deliver energy in a fractional pattern to stimulate collagen and elastin fibers, promoting skin self-repair and reconstruction. These lasers offer advantages of high efficiency, safety, versatility, and fast recovery, providing patients with an effective treatment option for improving various skin issues. The working principle involves emitting small laser beams through optical fibers onto the skin, creating multiple tiny thermal injury zones. This stimulates the skin's self-repair mechanism, promoting collagen regeneration and achieving skin rejuvenation and beautification effects. Nanjing Hecho Technology specializes in the research and development of medical laser fibers, with related products extending into the field of medical aesthetics. They cater to various lasers such as thulium, holmium, and erbium lasers, showcasing their capabilities in various applications.

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  • Application of High-Power Fiber Lasers
    December 18, 2023

    In recent years, in fields such as heavy machinery, shipbuilding, and large steel structures, a large number of parts require thick plate cutting. These parts have various specifications and shapes, some of which require high precision. Traditional processing methods like flame cutting and plasma cutting suffer from low processing efficiency, poor accuracy, and significant material waste, which cannot meet the current manufacturing requirements. The emergence of ultra-high-power kilowatt-level fiber laser cutting provides the most effective solution to address the problems in thick plate cutting. The thicker the metal material, the higher the laser cutting power required. When cutting thin plates, higher laser power leads to faster cutting speeds, thereby achieving higher processing efficiency. High-power laser cutting offers four advantages: faster cutting speed, stronger cutting capability, lower operating costs, and broader application range. It finds extensive applications in metal processing, electronics manufacturing, plastic processing, precision instrument manufacturing, and other fields. Domestically, there has been rapid development in high-power fiber lasers. Hecho Technology has been committed to the development and manufacturing of various fiber optics, providing customers with customized high-temperature-resistant, high-power transmission fiber products. As the demand for processing quality continues to rise, the application of high-power fiber lasers in the industrial sector will become increasingly widespread. Hecho Technology will continue to innovate and promote the widespread and in-depth application of laser technology.

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  • Application of Optical Fibers in Machine Vision
    December 14, 2023

    Machine vision fibers refer to the fiber optic components and technologies used in machine vision systems. They play an important role in machine vision applications and have several common application scenarios: Fiber optic illumination: Machine vision systems often require high-brightness and uniform light sources to provide illumination conditions. Fibers can be used to transmit light from the light source, allowing it to be placed in the desired location and delivered to specific areas through fiber bundles, thus providing consistent illumination. Fiber optic sensors: Fiber optic sensors can be used to detect and measure various physical quantities in machine vision systems. For example, fiber optic displacement sensors can measure object displacement or deformation, and fiber optic temperature sensors can measure object temperature, providing accurate input data for machine vision systems. Fiber bundles: Fiber bundles can concentrate and distribute light from fiber optic light sources to adapt to specific requirements of machine vision applications. Fiber bundles can be used to focus light from the fiber optic light source to a specific area or disperse light to a larger area, meeting the demands of illumination uniformity and brightness control. Fiber optic light guides: Fiber optic light guides are ring-shaped fiber optic structures that transmit light from one point to another, enabling light path transmission and image acquisition in machine vision systems. Fiber optic light guides can be used to construct high-speed, high-resolution image transmission systems for medical imaging, robot vision, industrial inspection, and other fields. Machine vision fibers have a wide range of applications, including illumination, sensing, light path transmission, and image acquisition. The high flexibility, reliability, and high-temperature resistance of fiber optic technology make it widely used in the field of machine vision. Nanjing Hecho Technology provides reliable optical transmission solutions for machine vision systems. Companies in relevant industries are welcome to inquire.

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  • Specific Applications of Optical Fiber in the Medical Industry
    November 21, 2023

    Here are some common applications of optical fiber in the field of medical diagnostics: Fiber Optic Endoscopy: Fiber optic endoscopes are devices that integrate optical fibers for visual observation and examination of internal organs and tissues. High-intensity light transmitted through the optical fibers provides clear images, enabling accurate medical diagnosis. Fiber Optic Biosensors: Optical fibers can be used as biosensors to detect and monitor chemical components, biomarkers, or pathological changes within the human body. Fiber optic sensors utilize light scattering, absorption, or changes in light propagation characteristics to detect target substances, enabling early diagnosis and disease monitoring. Laser Therapy: Fiber optic lasers can be employed in medical treatments such as laser surgery, laser therapy, and photodynamic therapy. Laser light transmitted through optical fibers is directed to specific areas of the patient's body, achieving objectives like cutting, coagulation, vaporization, or irradiation of targeted tissues. Fiber Optic Spectroscopy: Spectroscopy is a technique used for analysis and diagnostics, and optical fibers can facilitate non-invasive spectroscopic measurements. By connecting optical fibers to spectrometers or microscopes, spectral information of samples can be obtained, allowing identification of substance composition, concentration, or tissue characteristics. Fiber Optic Imaging: Optical fibers find applications in medical imaging devices such as optical coherence tomography (OCT) and fiber optic microscopy. These technologies utilize fiber optic transmission and detection of light to generate high-resolution tissue images for disease diagnosis and research purposes. The applications of optical fiber in medical diagnostics not only provide more accurate and convenient diagnostic tools but also enable non-invasive and minimally invasive treatments, thereby significantly advancing and innovating the field of medicine.

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  • The application and characteristics of high-temperature resistant optical fibers
    November 14, 2023

    High-temperature fiber optic cables are specially designed and manufactured optical fibers that exhibit excellent resistance to high temperatures. Conventional optical fibers may suffer damage or performance degradation in high-temperature environments, whereas high-temperature fiber optic cables can maintain good operational stability under extreme temperature conditions. High-temperature fiber optic cables are typically made with materials that have high melting points and low thermal expansion coefficients, such as high-silica materials or special coatings (such as polyimide coatings). These materials help preserve the structural integrity and transmission performance of the fiber optic cables at high temperatures. High-temperature fiber optic cables find wide applications, particularly in industrial, military, and research settings operating in high-temperature environments. For instance, they can be used for sensing, optical signal transmission, and laser connections in high-temperature furnaces, thermal power plants, aerospace applications, and more. The special design and manufacturing of Hecho high-temperature fiber optic cables enable them to deliver reliable performance in extreme temperature environments, providing crucial solutions for high-temperature application scenarios.

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  • Innovation and Entrepreneurship Blossom! Hecho Technology Achieves Success in National Competition
    October 25, 2023

    On September 25th to 26th, the 11th "Entrepreneurship Jiangsu" Science and Technology Entrepreneurship Competition and the 12th China Innovation and Entrepreneurship Competition Jiangsu Division Finals were held in Wuxi. Sixty entrepreneurial teams and companies from the province competed in the finals, and Nanjing HechoTechnology Co., Ltd. won the third prize and advanced to the national competition in October. The "Entrepreneurship Jiangsu" Science and Technology Entrepreneurship Competition and China Innovation and Entrepreneurship Competition Jiangsu Division are large-scale entrepreneurial events jointly organized under the guidance of the Provincial Science and Technology Department, Provincial Talent Office, Provincial Propaganda Department, Provincial Cyberspace Administration, Provincial Development and Reform Commission, Provincial Education Department, Provincial Finance Department, Provincial Human Resources and Social Security Department, Provincial Communist Youth League, and Provincial Federation of Industry and Commerce. The event is in connection with the China Innovation and Entrepreneurship Competition organized by the Ministry of Science and Technology and other units. Since its launch in 2013, the "Entrepreneurship Jiangsu" Science and Technology Entrepreneurship Competition has attracted a total of 47,000 entrepreneurial teams and companies from home and abroad to participate, making it the largest, highest-level, and most widely influential entrepreneurial brand event in Jiangsu Province, as well as Jiangsu's largest crowd innovation space and strongest crowd support platform. Nanjing Hecho Technology Co., Ltd. is a leading domestic provider of non-communication fiber optic transmission solutions. It integrates research and development, production, and after-sales service. It has been honored as a national high-tech enterprise, Jiangsu private technology-based enterprise, and Nanjing Engineering Technology Research Center. --------------占位---------------

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  • "Ulexite," the Fiber Bundle Brought to Us by Nature
    October 23, 2023

    The concept of fiber bundles actually exists in a mineral material found in nature called ulexite. Ulexite is also as TV rock. Its end face has a fascinating structure, resembling densely packed fiber bundles. This complexly structured mineral contains chains of sodium, water, and hydroxide octahedra. It appears in the form of silky white circular clusters or parallel fibers. TV rock possesses unusual optical properties, where the parallel fibers act like fiber bundles, conducting light along their length through internal reflection. If a crystal is taken, cut into planes perpendicular to the direction of the fibers, and both surfaces are polished, the TV rock sample can display an image similar to what is seen on the opposite side, much like a fiber optic panel. Nature's design has inspired scientists' understanding of the world, and combined with human intelligence, it will continue to drive progress and development in the scientific community. Nanjing Hongzhao Technology offers customized fibers, including PCR fiber bundles, power delivery fibers, LDI laser fibers, and more. With excellent product performance and strong research and production capabilities, they provide comprehensive service solutions to various industries. --------------占位---------------

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  • The principle and solutions of fiber optic bending
    October 17, 2023

    Fiber optic is a slender light-conducting material made of high-purity glass or plastic that enables the transmission of light through internal reflection. In fiber optic transmission, light typically propagates along a straight path, but a series of optical phenomena occur when the fiber optic bends. Addressing fiber optic bending issues involves considering the following aspects: Choosing the appropriate type of fiber optic: When designing and installing a fiber optic network, it is possible to select fiber optic types that are suitable for bending. Flexible fiber optics usually have higher bend tolerance, allowing them to work on smaller radius curves without causing light loss. Therefore, choosing flexible fiber optic is an important step in reducing fiber optic bending issues. Controlling the fiber optic's bending radius: By controlling the bending radius of the fiber optic, it is possible to minimize bending loss. Generally, the larger the bending radius of the fiber optic, the lower the bending loss. During fiber optic cabling and installation, it is necessary to avoid excessive bending, particularly when the bending radius is smaller than the fiber optic's allowed bending radius. Proper equipment and techniques can be used, such as fiber optic bend protection sleeves and fiber optic strain relief devices, to ensure the fiber optic's bending radius is appropriate. Avoiding mechanical stress: Fiber optics are prone to mechanical stress in applications, such as tension, pressure, and twisting. These mechanical stresses can cause bending deformation and damage to the fiber optics, resulting in loss of light transmission. Therefore, during fiber optic cabling and installation, it is important to avoid applying mechanical stress and use suitable fiber optic protection devices and brackets to reduce the impact of mechanical stress on the fiber optic. Nanjing Hecho supports custom fiber optics, and by selecting the appropriate fiber optic type and controlling the fiber optic's bending radius, it is possible to effectively address fiber optic bending issues, improving the reliability and performance of fiber optic transmission, and meeting different customer usage requirements.

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  • Applications of Fiber Optics in Laser Skin Rejuvenation
    October 06, 2023

    The power of lasers directly affects the interaction between lasers and the human body, and different laser wavelengths have different effects on biological tissues. The medical beauty market includes all lasers used in ophthalmology, surgery, dentistry, skin, hair, and other cosmetic procedures. In the well-known field of laser skin rejuvenation, the principle is to select lasers with a high absorption rate in human tissues, utilize their stimulating effect on biological tissues, and deliver fractional laser beams to the skin to create numerous micro-treatment zones. These micro-treatment zones are vaporized and receive thermal damage, initiating the skin's wound healing mechanism, allowing the regeneration of the epidermis, and promoting collagen synthesis in the dermis through thermal stimulation. Hongzhao specializes in the research and development of medical laser fibers, and related products have been extended to the field of medical beauty. They meet the requirements of various lasers, such as thulium lasers, holmium lasers, erbium lasers, and demonstrate great effectiveness in their applications.

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