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Stock Longpass Filters

In Stock Longpass Filters

 
Please contact us on availability and pricing.
 

 

High-Quality Dielectric-Coated Longpass Filters

Substrate Optical-Grade Float Glass B270
Transmitted Wavefront Error λ/4@633nm
Parallelism <30 arcsec
Surface Quality 40-20
Diameter Tolerance +0.0/-0.1mm
Thickness 2mm±0.2mm
Cut-On Tolerance ±1%
Transmission Tavg>90%
Rejection OD4
Cut-on Slope <1%
Clear Aperture >90%
Angle of Incidence
Cut-On Wavelength (nm) Pass Band (nm) Blocking (nm) Part Number Request Quote
400 415-2000 200-385 SO-LP-FIL-ED12C-0001
425 440-2000 200-410 SO-LP-FIL-ED12C-0002
450 465-2000 200-435 SO-LP-FIL-ED12C-0003
475 490-2000 200-460 SO-LP-FIL-ED12C-0004
500 515-2000 200-485 SO-LP-FIL-ED12C-0005
525 540-2000 200-510 SO-LP-FIL-ED12C-0006
550 565-2000 200-535 SO-LP-FIL-ED12C-0007
575 590-2000 200-560 SO-LP-FIL-ED12C-0008
600 615-2000 200-580 SO-LP-FIL-ED12C-0009
625 640-2000 200-610 SO-LP-FIL-ED12C-0010
650 665-2000 200~630 SO-LP-FIL-ED12C-0011
675 690-2000 200-650 SO-LP-FIL-ED12C-0012
700 715-2000 200-680 SO-LP-FIL-ED12C-0013
725 740-2000 200-700 SO-LP-FIL-ED12C-0014
750 770-2000 200-730 SO-LP-FIL-ED12C-0015
775 795-2000 200-750 SO-LP-FIL-ED12C-0016
800 820-2000 200-780 SO-LP-FIL-ED12C-0017
825 845-2000 200-800 SO-LP-FIL-ED12C-0018
850 870-2000 200-830 SO-LP-FIL-ED12C-0019
875 895-2000 200-855 SO-LP-FIL-ED12C-0020
900 920-2000 200-875 SO-LP-FIL-ED12C-0021
925 945-2000 200-900 SO-LP-FIL-ED12C-0022
950 970-2000 200-925 SO-LP-FIL-ED12C-0023
975 995-2000 200-950 SO-LP-FIL-ED12C-0024
1000 1025-2000 200-975 SO-LP-FIL-ED12C-0025
1025 1050-2000 200-1000 SO-LP-FIL-ED12C-0026
1050 1075-2000 200-1025 SO-LP-FIL-ED12C-0027
1075 1100-2000 200-1050 SO-LP-FIL-ED12C-0028
1100 1125-2000 200-1075 SO-LP-FIL-ED12C-0029

Economic Dielectric-Coated Longpass Filters

Substrate Optical-Grade Float Glass B270
Transmitted Wavefront Error λ/4@633nm
Parallelism <30 arcsec
Surface Quality 40-20
Diameter Tolerance +0.0/-0.1mm
Thickness 2mm±0.2mm
Cut-On Tolerance ±2%
Transmission Tavg>85%
Rejection OD2
Cut-on Slope <3%
Clear Aperture >90%
Angle of Incidence
Cut-On Wavelength (nm) Pass Band (nm) Blocking (nm) Part Number Request Quote
400 420-2000 200-380 SO-LP-FIL-ED12C-0030
450 470-2000 200-435 SO-LP-FIL-ED12C-0031
500 520-2000 200-485 SO-LP-FIL-ED12C-0032
550 575-2000 415-520 SO-LP-FIL-ED12C-0033
600 625-2000 460-575 SO-LP-FIL-ED12C-0034
650 675-2000 495-615 SO-LP-FIL-ED12C-0035
700 725-2000 535-665 SO-LP-FIL-ED12C-0036
750 780-2000 565-720 SO-LP-FIL-ED12C-0037
800 830-2000 600-765 SO-LP-FIL-ED12C-0038
850 880-2000 635-810 SO-LP-FIL-ED12C-0039
900 935-2000 675-860 SO-LP-FIL-ED12C-0040
950 985-2000 715-905 SO-LP-FIL-ED12C-0041
1000 1035-2000 750-955 SO-LP-FIL-ED12C-0042
1050 1085-2000 790-1005 SO-LP-FIL-ED12C-0043
1100 1135-2000 825-1050 SO-LP-FIL-ED12C-0044
1150 1190-2000 875-1100 SO-LP-FIL-ED12C-0045
1200 1240-2000 920-1165 SO-LP-FIL-ED12C-0046
1250 1290-2000 960-1205 SO-LP-FIL-ED12C-0047
1300 1340-2000 1010-1255 SO-LP-FIL-ED12C-0048
1350 1390-2000 1055-1300 SO-LP-FIL-ED12C-0049
1400 1450-2000 1105-1350 SO-LP-FIL-ED12C-0050
1450 1500-2000 1150-1395 SO-LP-FIL-ED12C-0051
1500 1550-2000 1200-1465 SO-LP-FIL-ED12C-0052

Steep-Slope Longpass Filters

Substrate UV Fused Silica
Diameter Tolerance +0.0/-0.1mm
Thickness Tolerance ±0.1mm
Surface Quality 60-40
Angle of Incidence 0±2°
Clear Aperture ≥10mm(Φ12.5mm);≥22mm(Φ25mm)
Laser Damage Threshold 0.5J/cm²@266nm(10ns pulse width),1J/cm²@532nm(10ns pulse width)
Diameter (mm) Laser Wavelength (nm) Edge Slope Transition Band Width (nm) Cut-On Wavelength (nm) Transmission Range Blocking1 Blocking 2 Part Number Request Quote
12.5 488 0.50% 4.9 491.8 Tavg>93% 494.3-1100.8nm ODabs>6 488nm ODavg>6 394-488nm(typical) SO-LP-FIL-ED12C-0053
12.5 532 0.50% 5.3 536.4 Tavg>93% 538.9-1200nm ODabs>6 532nm ODavg>6 430-532nm(typical) SO-LP-FIL-ED12C-0054
12.5 632.8 0.50% 6.3 637.7 Tavg>93% 641-1427.4nm ODabs>6 632.8nm ODavg>6 513-632.8nm(typical) SO-LP-FIL-ED12C-0055
12.5 785 0.50% 7.9 791.6 Tavg>93% 795.2-1770.7nm ODabs>6 785nm ODavg>6 638-785nm(typical) SO-LP-FIL-ED12C-0056
12.5 830 0.50% 8.3 836.9 Tavg>93% 840.8-1872.2nm ODabs>6 830nm ODavg>6 675-830nm(typical) SO-LP-FIL-ED12C-0057
12.5 1064 0.50% 10.6 1072.4 Tavg>93% 1077.8-2000nm ODabs>6 1060nm ODavg>6 831-1064nm(typical) SO-LP-FIL-ED12C-0058
25 488 0.50% 4.9 491.8 Tavg>93% 494.3-1100.8nm ODabs>6 488nm ODavg>6 394-488nm(typical) SO-LP-FIL-ED12C-0059
25 532 0.50% 5.3 536.4 Tavg>93% 538.9-1200nm ODabs>6 532nm ODavg>6 430-532nm(typical) SO-LP-FIL-ED12C-0060
25 632.8 0.50% 6.3 637.7 Tavg>93% 641-1427.4nm ODabs>6 632.8nm ODavg>6 513-632.8nm(typical) SO-LP-FIL-ED12C-0061
25 785 0.50% 7.9 791.6 Tavg>93% 795.2-1770.7nm ODabs>6 785nm ODavg>6 638-785nm(typical) SO-LP-FIL-ED12C-0062
25 830 0.50% 8.3 836.9 Tavg>93% 840.8-1872.2nm ODabs>6 830nm ODavg>6 675-830nm(typical) SO-LP-FIL-ED12C-0063
25 1064 0.50% 10.6 1072.4 Tavg>93% 1077.8-2000nm ODabs>6 1064nm ODavg>6 831-1064nm(typical) SO-LP-FIL-ED12C-0064

Ultra-Steep Longpass Filters

Substrate UV Fused Silica
Diameter Tolerance +0.0/-0.1mm
Thickness Tolerance ±0.1mm
Surface Quality 60-40
Angle of Incidence 0±2°
Clear Aperture ≥10mm(Φ12.5mm);≥22mm(Φ25mm)
Laser Damage Threshold 0.5J/cm²@266nm(10ns pulse width),1J/cm²@532nm(10ns pulse width)
Laser Wavelength (nm) Transmission Range Cut-ON Wavelength (nm) Blocking 1 Blocking 2 Transition Band Width (nm) Edge Slope Part Number Request Quote
488 Tavg>93% 491.2-1100.8nm 489.1 ODabs>6 488nm ODavg>6 394-488mm(typical) 2.4 0.20% SO-LP-FIL-ED12C-0065
532 Tavg>93% 535.4-1200nm 533.3 ODabs>6 532nm ODavg>6 430-532mm(typical) 2.7 0.20% SO-LP-FIL-ED12C-0066
632.8 Tavg>93% 636.9-1427.4nm 634.5 ODabs>6 632.8nm ODavg>6 513-632.8mm(typical) 3.2 0.20% SO-LP-FIL-ED12C-0067
785 Tavg>93% 790.1-1770.7nm 786.7 ODabs>6 785nm ODavg>6 638-785mm(typical) 3.9 0.20% SO-LP-FIL-ED12C-0068
830 Tavg>93% 835.4-1872.2nm 832.5 ODabs>6 830nm ODavg>6 664-830mm(typical) 4.2 0.20% SO-LP-FIL-ED12C-0069
1064 Tavg>93% 1070.9-2000nm 1067.1 ODabs>6 1064nm ODavg>6 852-1064mm(typical) 5.3 0.20% SO-LP-FIL-ED12C-0070
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