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| Home > Filters > Bandpass Filters > Interference Filters > 632+/-10nm Narrow Laser Interference Filter |
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| 632+/-10nm Narrow Laser Interference Filter |
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Specifications:
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Centre Wavelength(CWL):
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632nm, TOL: +/-2nm
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FWHM(Width of 50% point):
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20nm
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Transmission:
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Tave>75% @ 628-636nm area
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Size:
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customized, from 2x2mm to Dia. 50mm, +/-0.1mm
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Thickness:
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0.3~1.1mm
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Surface quality:
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60/40~20/40
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Clear aperture:
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>90%, or full surface coatings
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Substrate:
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vary customized, such as B270, BK7, crystal, float or sodalime glass etc.
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¡ñ specially designed for 632nm LED or Laser light source
¡ñ Wider area for high transmission, sharp slope curve.
¡ñ Ion source assisted coating to reach a heat resistance, such as 70 C-degree, small temperature drift. |
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632+/-10nm (FWHM=20nm) very narrow laser interference filter, designed with Tave>75% @ 628~636nm area, with sharp slope curve. This filter has deeply cutoff all other spectrums unneeded to get a most pure laser light. However, more narrow bandpass area, lower transmission will be allowed. A +/-4nm width area of high transmission can promise the filter transmit the exact expected light. It is widely used for medical treatment, biomedical identification, laser measuring equipment etc.
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