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Home>Products>Long/Short Pass Filters |
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Long/Short Pass Filters
Long/short pass filter is a thin plate made of grade fused silica or BK7 grade A, coated with dielectric long pass fiim on one side, AR coating is applied to the other side, to achieve higher resistance and minimal absorption.
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◇ Long Pass Filters
Material:BK7grade A optical glass, Fused silica
Transmission:>85% ave(wavelength range is made to order)
Blocking:< 10-4－10-5ave(wavelength range is made to order)
Cut-on/off wavelength: 10nm-60nm
Working Wavelength:200nm-1200nm
Incidence Angle:0°±5°or 45°±5°
Surface Quality: 10/5 to 80/50
Clear Aperture:>90% dimesion
Wavelength shift with temperature：<0.25nm/℃
Damage threshold: 300MW/cm2 CW, 1J/cm2 pulsed
Application:Choosing Transmission wavelengh range and reflection wavelengh range , it is suitable for skin diagnostic system and hair diagnostic system .
Dimension, T/R, incident angle ,wavelength range or other specs are available upon request.
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◇ Short Pass Fiters
Material:BK7grade A optical glass, Fused silica
Transmission: >85% ave(wavelength range is made to order)
Blocking:< 10-4－10-5ave(wavelength range is made to order)
Cut-on/off Wavelength: 10nm-60nm
Working Wavelength:200nm-1200nm
Incidence Angle:0°±5°or 45°±5°
Surface Quality: 10/5 to 80/50
Clear Aperture:>90% dimension
Wavelength shift with temperature：<0.25nm/℃
Damage threshold: 300MW/cm2 CW, 1J/cm2 pulsed
Application:IR-cut can make CCD imagers to produce true colour image. It is widely used in DC lens, LCD system, and IR sensor etc.
Dimension,incident angle ,wavelength range or other specs are available upon request.
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