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 Home > Filters > Bandpass Filters > Visible Bandpass > 650nm Laser Scanner Filter, High Transmission 650+/-20nm Bandpass Filters
 
650nm Laser Scanner Filter, High Transmission 650+/-20nm Bandpass Filters

 

 
Specifications:
Centre Wavelength(CWL):
650nm, +/-3nm
FWHM(50% point):
T=50% @ 630nm, 670nm
Transmission:
Tave>95%
Size:
customized, from 2x2mm to Dia. 80mm, +/-0.1mm
Thickness:
0.3~3mm
Surface quality:
60/40~20/40
Clear aperture:
>90%, or full surface coatings
Substrate:
vary customized, such as B270, BK7, crystal, float or sodalime glass etc.
New developed coatings with higher transmission at Tave>95% in centre area.
High blocking rate at visible range T<0.3%.
Perfectly used for laser applications.
     
650+/-20nm Narrow Bandpass Filter, or said 650nm Laser Scanner Filter, is a new developed spectrum with higher transmission at T>95% @ 650+/-5nm area, perfectly used for laser equipments, such as laser scanners. The noise signals have been deeply blocked, with Tave<0.2% @ other visible light area.
 
Optical coatings are very customized products, not only the mechanical dimensions, but also the optical features. When to select a filter, please tell us where the filter will be used, or tell us what exact features it is expected to reach. We will based on our experiences to offer some suggested advices for your reference.
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