Metal-Coated Fiber

Metal-coated fiber is a specially designed specialty fiber intended to provide stable and reliable optical signal transmission in extremely harsh environments. This series of fibers adopts special metal coating materials and structural design, giving them excellent environmental tolerance. Compared with conventional polymer-coated fibers, they can effectively avoid the effects of long-term extreme temperatures, hydrogen corrosion, and mechanical stress. Metal-coated fiber is drawn using an independently developed metal coating system. By optimizing the drawing and metal coating processes, it achieves excellent mechanical strength, hermeticity, and wide-temperature-range stability, making it better suited for complex and harsh environments such as aerospace, downhole oil exploration, and high-temperature industry.

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Coreless Fiber

Coreless fiber is drawn from high-purity quartz. The coating material uses a two-layer acrylic resin structure. The fiber has no core and does not transmit light. It features uniform geometric dimensions and high mechanical strength, and can be used in applications such as fiber end caps and fiber coil underlays.

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190–850 nm UV-VIS Transmission Grating

MP-YG-UV-VIS-190-850 is a broadband high-performance transmission grating covering the ultraviolet to visible wavelength range. It uses a fused silica substrate and a surface-relief etched structure, with an operating wavelength range of 190–850 nm and a grating line density of 1250 lines/mm. The product combines high diffraction efficiency, high dispersion, low polarization dependence, low stray light, and good temperature stability. Its transmission-type structure facilitates the construction of compact and flexible optical paths, making it suitable for broadband spectrometers, UV-VIS spectral analysis, and precision optical system integration.

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190–437 nm UV Transmission Grating

The 190–437 nm UV transmission grating is a high-line-density transmission-type diffraction grating designed for UV and near-UV spectral analysis applications.The product uses a fused silica substrate and a surface-relief etched transmission grating structure. Its operating wavelength range covers 190–437 nm, and the grating line density reaches 2421 lines/mm. At a wavelength of 300 nm, the product has a typical angular dispersion of 0.15°/nm, and it provides >40% unpolarized diffraction efficiency across the entire specified operating band. Combined with low polarization dependence, low stray light, low wavefront distortion, and good temperature and environmental stability, it can serve as a core spectral dispersion component in compact UV spectrometers, scientific spectral analysis equipment, and OEM spectral modules.

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200–400 nm UV Transmission Grating

The 200-400 nm UV transmission grating is a high-line-density transmission-type diffraction grating designed for UV spectral analysis applications. It uses a fused silica substrate and a surface-relief etched structure, with an operating wavelength range covering 200–400 nm. The product has a high line density of 2846.9 lines/mm. Its typical angular dispersion at 300 nm can reach 0.21°/nm, enabling good wavelength separation capability. With relatively high diffraction efficiency, low polarization dependence, low thermal expansion, and a compact size design, it can serve as a core spectral dispersion component in UV spectrometers and OEM spectral modules. It is suitable for applications such as scientific research, industrial inspection, and precision spectral analysis.

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190–1100 nm UV-NIR Broadband Transmission Grating

MP-YG-UV-NIR-190-1100 is a broadband transmission grating covering the ultraviolet, visible, and near-infrared bands. It uses a fused silica substrate and a surface-relief etched structure, with an operating wavelength range of 190–1100 nm. The product offers relatively high diffraction efficiency, high dispersion, low polarization dependence, low stray light, and good temperature and environmental stability. Its miniaturized transmission structure facilitates the construction of compact optical paths, making it suitable for broadband spectrometers, UV-VIS-NIR spectral analysis, and precision optical system integration.

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263-276nm Ultraviolet Transmission Grating

The MP-YG-UV-263-276 is a high-performance transmission grating designed for ultraviolet spectral applications. It uses a fused silica substrate and a surface-relief etched structure, with an operating wavelength range of 263–276 nm. The product features a high line density of 2849 lines/mm and a typical dispersion of 0.19°/nm at 270 nm. It offers high diffraction efficiency, low polarization dependence, low stray light, and good environmental stability. It can meet the requirements of high-resolution ultraviolet spectral analysis and is suitable for UV spectrometers, spectral analysis equipment, and various precision optical system integrations.

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Erbium-Doped Fiber

Erbium-Doped Fiber is a special gain fiber for fiber amplification and laser applications in the 1.5 μm band. The product adopts an erbium-doped core design, with an operating wavelength covering 1530–1565 nm. It has high core absorption capability and good optical performance, and can achieve stable optical signal gain under pump light. Its core numerical aperture is 0.22 ± 0.02, mode field diameter is 5.7 ± 0.8 μm, and the core absorption coefficient at 1530 nm reaches 20.0 ± 3.0 dB/m. The product has good geometric consistency and mechanical reliability, and is suitable for applications such as fiber amplifiers, fiber lasers, ASE light sources, fiber sensing, and scientific research experiments. Customized services can be provided according to actual requirements.

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Fiber Optic End-face Cleaning and Inspection All-in-One Machine

The Fiber Optic End-face Cleaning and Inspection All-in-One Machine is a professional device that integrates fiber optic end-face cleaning, microscopic inspection, image display, and inspection result judgment. The product adopts a non-contact cleaning method. By using high-speed airflow together with a specialized cleaning solvent, it effectively removes dust, oil, and other contaminants from the fiber optic end face. The built-in high-definition inspection system allows real-time observation of the cleaning effect. The device supports end-face inspection of various fiber optic connectors and can select different magnifications for observation according to the actual condition of the end face. It features intuitive operation, high cleaning efficiency, and convenient inspection, making it suitable for applications such as fiber optic device production, optical communication equipment maintenance, laboratory testing, and engineering sites.

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Near-field Holographic Phase Mask

The near-field holographic phase mask is a high-precision diffractive optical element for micro/nano grating fabrication on semiconductor wafers and integrated optical devices. The product uses the 0/1-order diffraction principle. Through self-interference of zero-order and negative-first-order diffracted light, it forms high-contrast interference fringes with the same period as the phase mask, enabling fabrication of small-period, high-precision, and large-area grating structures. The product is manufactured by a holographic process in a cleanroom environment and features high period accuracy, high period uniformity, >98% fringe visibility, and low defect rate. It is especially suitable for DFB lasers, DBR lasers, planar integrated optics, sensors, and biochips, and can be combined with mask alignment equipment for mass production of micro/nano gratings.

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Fiber Bragg Grating Phase Mask

The Fiber Bragg Grating Phase Mask is a micro/nano diffractive optical element used for high-precision fabrication of fiber Bragg gratings (FBGs). The product adopts the +1/−1 order diffraction self-interference principle. Through a precise periodic structure, it diffracts incident laser light and forms a stable periodic interference light field, thereby writing a periodic refractive index modulation structure into a photosensitive fiber. The product features high period accuracy, high uniformity, low zero-order diffraction, and broad wavelength-band adaptability. It supports customization of various grating structures such as uniform, chirped, multi-period, tilted, and phase-shifted gratings, and can meet FBG fabrication needs in fields such as fiber sensing, fiber lasers, optical communications, and scientific research.

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Ytterbium-Doped Fiber

Ytterbium-doped fiber includes two structural types: double-clad and triple-clad. It can output high-power laser in the 1 μm band and is mainly used in ytterbium-doped fiber lasers and amplifiers. With advantages such as high output beam quality and good stability, it is widely used in military, industrial, medical, and scientific research fields. By adjusting fiber parameters, ytterbium-doped fibers of different sizes and shapes can also be provided to meet various application requirements.

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