Dichroic Longpass Filter 25x36mm Reflection Wavelength:565~715nm Transmission Wavelength:770~1200nm
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Product No. 238537
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- Dia 25x36mm
- CWL 750nm
- Reflection Wavelength 565~715nm
- Transmission Wavelength 770~1200nm
- Material Optical Grade Float Glass (B270)
- Transmitted Wavefront error λ/4 @ 633 nm
- Parallelism ＜30arcsec
- Surface Quality 40/20-60/40
- Diameter Tolerance +0.0/-0.2mm
- Thickness 2mm ±0.2mm
- Central Wavelength Tolerance ±10nm
- T Tavg＞90%
- Reflection Ravg＞98%
- CA ＞90%
- Angle of Incidence 45°
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Dichroic Longpass Filter 25x36mm Reflection Wavelength:600~760nm Transmission Wavelength:820~1200nm
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Dichroic Longpass Filter 25x36mm Reflection Wavelength:635~810nm Transmission Wavelength:870~1200nm
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Shortpass DichroicFilter Φ12.5mm Reflection Wavelength:470~545nm Transmission Wavelength:370~430nm
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Shortpass DichroicFilter Φ12.5mm Reflection Wavelength:520~610nm Transmission Wavelength:370~480nm
Dichroic filters are used to transmit wavelengths that longer than the cut-on wavelength or shorter than the cut-off wavelength. Depending on the wavelength range of reflection or transmission, they are divided into long pass filter and short pass filter. Dichroic filters are ideal for applications of fluorescence excitation spectrum measurement, beam splitting or beam combination. Compared with the traditional design of long pass filter and short pass filter (0° angle of incidence) , Dichroic filters are designed for a 45° angle of incidence, which separate the reflection and transmission bands in space, and make it widely used in various optical systems and laboratory optical path.
