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Help CenterOptical Negative Filter or Notch Filters for Biomedical Laser Systems
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Process: IAD multilayer dural film, diamond film, double-sided AR film
Crest transmittance: transmittance greater than 90%
Out-of-band cutoff depth: OD2-OD4
Cutoff zone: less than 20nm
Operating band: 200-1100nm
Material: Optical glass (BF33, K9, B270, quartz glass, blue glass, etc.)
Round size: 2mm in diameter - 150mm in diameter
Square size: 2*2mm-200*200mm
Product thickness: 0.21mm-5.0mm
Aperture: effective area over 97%
Surface finish: International III, US Standard 60/40 (scratch/pitting)
Shortwave filter which is the cutoff filter in the interference filter, which allows light in the short wave direction to pass through, and light in the long wave direction to pass through.In order to meet the requirements of CCD and CMOS sensor chip, let the maximum visible light transmission, the globe or reflected infrared region, or any band area transmission or stop, make sure the short-wave area have very good flatness and high through, than long wave pass filter the difficulty coefficient is big, especially in the field of applied in UV light source as far as possible let violet light through, let visible light and near infrared reflection or deadline is not particularly easy.
Short-wave filter can effectively block the near-infrared band light, and is widely used in various cold light sources, optical fiber lighting, LED lighting, metal halide lamp insulation and infrared cut-off filter optical imaging scheme: optical engine, digital camera eliminate CCD, CMOS near-infrared interference filter, to ensure the normal operation of photoelectric instruments and equipment.In addition, it can also be used as a color divider, stage filter, machine vision applications, etc.
Common application equipment: UV light source, mobile phone camera, laser protection, thermal reflection lighting system, fluorescent ink laser imaging, etc
if you need please call +86 18948584568
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