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Infrared Windows

MaterialTransmissionDiameterThickness Stock Diameters
Quartz0.15 - 3.3 µ5.0 - 100 mm0.5 - 20 mm0.5 - 1 - 2 - 3
Fused Silica0.18 - 3.5 µ5.0 - 200 mm0.5 - 100 mm0.5 - 1 - 2 - 3 - 4 - 5
Sapphire0.17 - 5.0 µ5.0 - 50 mm0.5 - 10 mm0.5 - 1
Germanium2.0 - 17.0 µ5.0 - 200 mm0.5 - 100 mm1 - 2 - 3 - 4 - 5
Barium Flouride0.15 - 12.5 µ5.0 - 170 mm0.5 - 350 mm2 - 3 - 4 - 5
Calcium Flouride0.15 - 9.0 µ5.0 - 300 mm0.5 - 200 mm2 - 3 - 4 - 5
Zinc Selenide0.55 - 20.0 µ5.0 - 80 mm0.5 - 10 mm0.5 - 1 - 2
Silicon1.2 - 10/50 - 100 µ5.0 - 200 mm0.5 - 150 mm1 - 2 - 3 - 4 - 5
AR Coatings - Metallization - Cap Assemblies are available

Filters for PbS, PbSe and InGaAs IR Detectors

Narrow Band Pass IR Filters

Part NumberCWLHPBWT%Blocking
BP1.46µm1480±15nm30±10nmTpeak>80%UV to 2.95µm: Tavg<1%
BP1.48µm1480±20nm30±10nmTpeak>80%400-2950nm: Tavg=1%
BP1.72µm1720±17nm20±5nmTpeak>50%UV to 2.2µm: Tavg<1%
BP1.81µm1810±18nm30±10nmTpeak>80%UV to 3 µm: Tavg<0.1%
BP2.20µm2200±22nm30±10nmTpeak>85%UV to 3.05µm: Tavg<0.1%
BP3.40µm3400±34nm140±20nmTpeak>90%UV to 11µm: Tavg<1%
BP3.40µm3400±20nm30±10nmTpeak>85%UV to 11µm: Tavg<1%
BP3.40µm3400±34nm140±20nmTpeak>80%UV to 11µm: Tavg<1%
BP3.90µm3900±39nm180±20nm or
90±20nm
Tpeak>80%UV to 11µm: Tavg<1%
BP4.26µm4260±42nm180±20nm or
90±20nm
Tpeak>80%UV to 11µm: Tavg<0.1%
BP4.40µm4400±44nm80±20nmTpeak>85%UV to 18µm: Tavg<1%
BP4.80µm4800±50nm200±30nmTpeak>85%UV to 6.5µm: Tavg<1%
BP6.30µm6300±63nm140±20nmTpeak>70%UV to 11µm: Tavg<1%
BP7.30µm7300±73nm180±20nmTpeak>80%UV to 11µm: Tavg<1%
BP10.60µm10600±100nm 190±20nmTpeak>75%UV to 13.6µm: Tavg=0.1%

Long Pass IR Filters

Part NumberCWLTWLT%Blocking
LP2.00µm5%: 1830±20nm
50%: 1900±20nm
1950-2900nmTavg>90%400-1800nm:
Tavg=1%
LP3.20µm5%: 3320±33nm 3.48~5.35 micronsTavg>90%
LP3.30µm5%: 3200±30nm
50%: 3300±50nm
3400-5000nmTavg>90%2000-3000nm:
Tavg=1%
LP6.60µm5%: 6750±100nm
50%: 7100±100nm
7500-14000nmTavg>90%1500-6600nm:
Tavg=1%
LP7.30µm5%: 7300±100nm7.8~11 micronsTavg>95%
LP7.60µm5%: 7400±70nm
50%: 7600±50nm
7800-11000nmTavg>90%1500-7300nm:
Tavg=1%
LP7.90µm50%: 7900±50nm8200-1000nnmTavg>90%1500-7300nm:
Tavg=1%
LP5.50µm5.5µm±0.4µm7.5~13.5µmTavg>70%0.4~5µm
Tavg=0.5%

Wide Band Pass IR Filters

Part NumberCWL (50%)TWRT%Blocking
WBP1700-2400On:1700±100nm
Off: 2400±100nm
1750~2350nm Tavg>80%400~4000nm
WBP2000-2400On:2000±50nm
Off: 2400±50nm
2100-2350nmTavg>75%1500~5000nm
Tavg<1%
WBP2200-3750On:2200±50nm
Off: 3750±50nm
2300-3600nmTavg>80%400~6000nm
Tavg<1%
WBP2600-3200On:2600±50nm
Off: 3200±50nm
2700-3100nmTavg>80%1500~5000nm
Tavg<1%
WBP3000-3500Band Width: 500±20nm3050~3400nmTavg>80%300~6500nm
Tavg<1%
WBP3000-5000On:3000±50nm
Off:5000±50nm
3100~4900nmTavg>80%1500~11000nm
Tavg<1%
WBP3400-4700On:3400±100nm
Off:4700±100nm
3450~4650nmTavg>80%1500~7700nm
Tavg<1%
WBP3650-4950On:3650±50nm
Off:4950±50nm
3750~4850nmTavg>75%1500~7000nm
Tavg<1%
WBP4200-4450On:4200±50nm
Off:4450±50nm
4250~4400nmTavg>80%1000~7000nm
Tavg<1%
WBP4650-5300On:4650±50nm
Off:5300±50nm
4800~5200nmTavg>75%1500~10000nm
Tavg<1%
WBP5600-6800On:5600±50nm
Off:6800±50nm
5700~6700nmTavg>75%1500~6700nm
Tavg<1%
WBP7550-13900On:7550±50nm
Off:13900±100nm
7750~13400nmTavg>80%2000~19000nm
Tavg<1%
WBP7600-9700On:7600±50nm
Off:9700±50nm
8000~9500nmTavg>80%2000~14000nm
WBP7700-13500On:7700±200nm
Off:13500± 500nm
7900~13000nmTavg>80%2000~19000nm
Tavg<1%
WBP8-14µmOn: 8±0.3µm
Off: 14±0.5µm
9~13µmTavg>75%0.4~20µm
Tavg = 1%

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