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Steep Long Pass Filter

Steep Long Pass Filter



The Steep Long Pass Filter has the characteristics of high laser damage threshold, deep cut-off depth and steep transition from reflection to transmission. It has been widely used in the fields of microimaging, Raman spectroscopy, biochemical analysis instruments, life science, education and scientific research. We can also customize the filters according to your actual needs.

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The Steep Long Pass Filter has the characteristics of high laser damage threshold, deep cut-off depth and steep transition from reflection to transmission. It has been widely used in the fields of microimaging, Raman spectroscopy, biochemical analysis instruments, life science, education and scientific research. We can also customize the filters according to your actual needs.



Products Description


Material:                                          
  Fused Silica                                    
Laser Wavelength:   488nm, 532nm, 632.8nm, 785nm, 830nm, 1064nm 
Transition bandwidth:  203cm^-1, 186cm^-1, 156cm^-1, 93cm^-1
Laser Damaged Threshold :
 0.5 J/cm²@266 nm (10 ns pulse width) ; 1 J/cm²@532 nm (10 ns pulse width)
Transmittance:   Tavg＞93%@538.9-1200 nm
Clear aperture:
  90%
Incidence Angle:
 0±2°  
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