671 nm Laser Line Bandpass Filter

The 671 nm laser line bandpass filter is a narrow-band interference filter specifically designed for the 671 nm laser wavelength. It provides high transmission for the target laser while offering high optical density (OD) blocking performance for other wavelength regions, effectively suppressing stray light, ambient light, and laser side lobes. This improves system signal‑to‑noise ratio and measurement accuracy. The product is widely used in laser Raman spectroscopy, fluorescence detection, confocal microscopy, machine vision, laser metrology, biomedical imaging, and scientific research.

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680 nm Bandpass Filter

The 680 nm bandpass filter is a high-performance narrow-band interference filter centered at 680 nm, offering high transmittance, broad blocking range, and excellent stray-light suppression. Manufactured with multi-layer dielectric hard-coating technology, it provides high transmission in the target band while delivering high optical density (OD) blocking in the ultraviolet, visible, and near-infrared regions. This product is widely used in fluorescence imaging, laser detection, flow cytometry, confocal microscopy, biomedical instrumentation, machine vision, and research optical systems.

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685 nm Bandpass Filter

The 685 nm bandpass filter is a high‑performance narrow‑band interference filter centered at 685 nm, manufactured with precision multi‑layer dielectric hard‑coating technology. It provides high transmittance in the target band while delivering excellent blocking performance in the ultraviolet, visible, and near‑infrared regions. With high signal‑to‑noise ratio, low background interference, and good environmental stability, the filter is suitable for high‑precision optical systems in life sciences, fluorescence detection, microscopy imaging, laser metrology, and scientific research.

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1310 nm multi-channel continuous fiber optic light source, 10 mW per channel, 16 channels in total

The 1310 nm multi-channel desktop light source is a core piece of equipment widely used in scientific research, experiments, and industrial production testing. It delivers stable multi-channel laser signals at the 1310 nm wavelength range, featuring spectral purity and reliable output power. The device supports a wide selection of wavelengths, enables flexible multi-wavelength configuration, offers independently adjustable parameters for each channel, features simple operation, and provides excellent safety performance. Leveraging these key advantages, it is extensively applied in fields such as fiber optic sensing, optical communication device testing, biomedical imaging, semiconductor inspection, and machine vision inspection, precisely meeting the requirements for high-performance, stable multi-channel light sources across diverse applications.

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405 nm Narrow Bandpass Optical Filter

The 405 nm narrow bandpass optical filter is a high-performance bandpass filter specifically designed for optical applications at the 405 nm wavelength. It efficiently transmits the target band of 400-410 nm while providing deep blocking of outofband stray light, effectively improving the signaltonoise ratio, wavelength selectivity, and detection accuracy of optical systems. Manufactured with highquality hard dielectric multilayer coatings, the filter features high transmittance, deep blocking, excellent spectral stability, and good environmental durability, meeting the needs of highperformance spectral filtering in research, industrial, and biomedical applications. The filter achieves an average transmittance greater than 87% over the 400-410 nm band, and provides blocking of OD5 or higher over the ranges of 350-391.5 nm and 418.5-850 nm, effectively suppressing background light and adjacent wavelength interference. It supports an incident angle of 0°± 5°and a cone halfangle of 7°, and is offered in a standard 25 mm round form with an effective clear aperture of ≥21 mm, facilitating compatibility with various optical systems and standard mounts. With outstanding filtering performance, stable coating quality, and reliable longterm operation, the 405 nm narrow bandpass optical filter is widely used in 405 nm laser systems, fluorescence microscopy, confocal microscopy, flow cytometry, Raman spectroscopy, biomedical detection, machine vision, precision optical instruments, and other optical systems requiring highselectivity wavelength filtering.

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405 nm Laser Line Bandpass Filter

The 405 nm laser line bandpass filter is a high-performance narrow-band optical filter specifically designed for 405 nm laser sources, manufactured using a multi-layer hard dielectric thin-film coating process. The product is optimized for the 405 nm laser wavelength, achieving >90% transmittance at 405 nm while providing ultra-deep blocking of OD5 to OD6 or higher on both sides of the laser line. This effectively suppresses laser side lobes, ambient light, and other stray light interference, significantly improving the signal-to-noise ratio and detection accuracy of optical systems. Featuring an ultra-narrow 1.5 nm FWHM, high stability, high damage threshold, and excellent environmental reliability, this filter is suitable for high-precision optical applications including laser Raman spectroscopy, confocal microscopy, fluorescence excitation, laser detection, machine vision, and scientific instrumentation.

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400 nm Narrow Bandpass Optical Filter

The 400 nm narrow bandpass optical filter is an ultraviolet narrow bandpass filter manufactured using a highperformance, multilayer hard dielectric thinfilm coating process. It is specifically designed for efficient transmission of optical signals at the 400 nm band and suppression of outofband light. The filter achieves an average transmittance greater than 90% over the operating band of 394–406 nm, while providing excellent blocking performance across the ultraviolet, visible, and nearinfrared nonoperating regions. This effectively reduces stray light interference, improving detection sensitivity and imaging quality. The product offers good environmental stability, high laser damage tolerance, and excellent spectral consistency, making it widely applicable in highprecision optical systems such as ultraviolet laser systems, fluorescence detection, biomedical analysis, spectroscopic instruments, machine vision, and scientific research.

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442 nm Long-Pass Dichroic Filter

The MP-LWP-442 is a high-performance dichroic long-pass filter designed specifically for Raman spectroscopy, super-resolution imaging, and total internal reflection fluorescence (TIRF) microscopy. Manufactured on fused silica substrates with precision dielectric coatings, it efficiently reflects the 439-457.9 nm band while maintaining high transmission from 466.1 nm to 1200 nm at a 45°angle of incidence. The filter features a steep spectral cut-on edge, a broad transmission range, excellent wavefront quality, and a high laser damage threshold, making it ideal for efficient separation of laser excitation light from Raman, fluorescence, or imaging signals.

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427 nm Bandpass Filter

The MP-BPF-427 is a high-performance narrowband bandpass optical filter with a center wavelength of 427 nm. It is designed to transmit the target band with high transmittance while providing excellent out-of-band blocking across the ultraviolet and visible range. Manufactured with hard multi-layer dielectric coatings, this filter features high transmittance, high spectral stability, and excellent environmental durability. It is suitable for applications such as fluorescence detection, Raman spectroscopy, laser systems, biological imaging, microscopy, and scientific instrumentation.

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567 nm Narrow Bandpass Optical Filter

The 567 nm narrow bandpass optical filter is manufactured using a high-performance hard dielectric multilayer coating process. It is specifically designed for yellow-green band excitation and detection applications, and is widely used in fluorescence microscopy, confocal microscopy, flow cytometry, biomedical detection, Raman spectroscopy, and precision optical instrumentation. The filter offers exceptionally high transmittance in the 559.5-574.5 nm band while providing broad-spectrum, high-rejection performance outside the passband. It effectively suppresses excitation light leakage and background stray light, improves detection sensitivity and imaging contrast, and meets the demanding requirements of research and industrial applications.

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460 nm Narrow Bandpass Optical Filter

The 460 nm narrow bandpass optical filter is manufactured using a high-performance hard dielectric multilayer coating process. It is specifically designed for blue-band excitation applications, including fluorescence microscopy, flow cytometry, laser detection, biomedical instrumentation, spectral analysis, and precision optical systems. The filter offers high transmittance in the 453-467 nm band while providing efficient rejection outside the passband. It effectively suppresses background stray light, improves system signal-to-noise ratio and detection accuracy, and meets the demanding performance requirements of research and industrial applications.

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406 nm Narrow Bandpass Optical Filter

The 406 nm narrow bandpass filter is an interference filter manufactured using a high-performance hard dielectric coating process. It is specifically designed for fluorescence microscopy, Raman spectroscopy, laser detection, biomedical imaging, and precision optical instruments. The product offers high transmittance in the 398.5-413.5 nm band, while providing excellent rejection outside the passband. It effectively suppresses stray light, improves system signal-to-noise ratio, and ensures accurate and stable measurement results.

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