Laser line interference Filter

Laser line interference Filter


 Laser line filters are narrow bandpass filters centered on the resonance of the laser, which attenuate the background plasma and secondary emissions that often result in erroneous signals.

CWL=650nm±3nm T>80% FWHW=15nm±3nm, AOI=0DEG
 

 Capability

Common Specification
Material N-BK7, B270 or according to the requirement
Dimension tolerance ± 0.20 mm
Diameter tolerance +0/-0.2mm
Thickness tolerance ± 0.20 mm
Clear Aperture >85%
Parallelism <3 arc minutes
Flatness 2 lambda
Surface quality  S/D 80-50
Bevel 0.2mmx45°
FWHM 8nm (according to the wavelength)
Peak Trnasmission 20%-85% (according to the wavelength)
Optical Density OD>4 (according to the requirement)
Mounted According to the requirement
Central Wavelength ±2nm
Band Width ±2nm
Peak Trnasmission
Blocking Range
340
8
70-90%
OD≥4@200-1200
350
8
70-90%
OD≥4@200-1200
365
8
70-90%
OD≥4@200-1200
380
8
70-90%
OD≥4@200-1200
400
8
70-90%
OD≥4@200-1200
414
8
70-90%
OD≥4@200-1200
420
8
70-90%
OD≥4@200-1200
430
8
70-90%
OD≥4@200-1200
436
8
70-90%
OD≥4@200-1200
450
8
70-90%
OD≥4@200-1200
460
8
70-90%
OD≥4@200-1200
470
8
70-90%
OD≥4@200-1200
480
8
70-90%
OD≥4@200-1200
490
8
70-90%
OD≥4@200-1200
505
8
70-90%
OD≥4@200-1200
510
8
70-90%
OD≥4@200-1200
520
8
70-90%
OD≥4@200-1200
530
8
70-90%
OD≥4@200-1200
535
8
70-90%
OD≥4@200-1200
540
8
70-90%
OD≥4@200-1200
550
8
70-90%
OD≥4@200-1200
560
8
70-90%
OD≥4@200-1200
570
8
70-90%
OD≥4@200-1200
580
8
70-90%
OD≥4@200-1200
592
8
70-90%
OD≥4@200-1200
595
8
70-90%
OD≥4@200-1200
600
8
70-90%
OD≥4@200-1200
610
8
70-90%
OD≥4@200-1200
620
8
70-90%
OD≥4@200-1200
630
8
70-90%
OD≥4@200-1200
650
8
70-90%
OD≥4@200-1200
655
8
70-90%
OD≥4@200-1200
660
8
70-90%
OD≥4@200-1200
670
8
70-90%
OD≥4@200-1200
680
8
70-90%
OD≥4@200-1200
690
8
70-90%
OD≥4@200-1200
700
8
70-90%
OD≥4@200-1200
750
8
70-90%
OD≥4@200-1200