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The
Former of our company, The Thin film lab of SITP, Chinese Academy of Science
is our country’s leading manufacturer of all kinds of infrared filters. We
have experiences of more than 30 years in researching and manufacturing in
this field. Our products include long-wave pass filter、short
wave pass filter、wide
band pass filter、narrow
band pass filter、super
narrow band pass filter and high reflection filter, covering 1um to 40 um.
Applications: Gas
Monitoring, Temperature Sensing, Thermal Lmaging
Long
Wave Pass Filter
|
P/N
|
Cut
off Wavelength（μ）
|
Transmission
Region（μ）
|
Average
Transmittance
|
|
LPF-2
|
2.5
|
2.8-4.0
|
＞80%
|
|
LPF-3
|
3.0
|
3.3-5.0
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＞80%
|
|
LPF-4
|
4.0
|
4.3-6.0
|
＞80%
|
|
LPF-5
|
5.0
|
5.3-6.0
|
＞80%
|
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LPF-8
|
8.0
|
8.5-14.0
|
＞80%
|
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LPF-14
|
14.0
|
14.5-20.0
|
＞60%
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Filter
Used In Gas Monitoring
|
P/N
|
Center
Wavelength(μ)
|
Half
Bandwidth(μ)
|
Nominal
Bandwidth
|
Peak
Transmittance
|
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H2O
reference
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1.80
|
0.05
|
1.5
|
＞70%
|
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H2O
|
1.94
|
0.05
|
1.5
|
＞75%
|
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H2O
reference
|
2.10
|
0.06
|
1.5
|
＞75%
|
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Thickness
Measuring
|
2.18
|
0.06
|
1.5
|
＞75%
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Thickness
Measuring
|
2.32
|
0.07
|
1.5
|
＞75%
|
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CO2
|
2.70
|
0.08
|
1.5
|
＞75%
|
|
CO2
|
2.70
|
0.30
|
1.5
|
＞80%
|
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CH4
|
3.35
|
0.20
|
1.6
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＞75%
|
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Automobile
gas
|
3.47
|
0.22
|
1.6
|
＞75%
|
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CO2
reference
|
3.90
|
0.17
|
1.5
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＞70%
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CO2
|
4.26
|
0.18
|
1.5
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＞70%
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CO
|
4.65
|
0.19
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1.5
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＞70%
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CO
reference
|
5.05
|
0.22
|
1.5
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＞70%
|
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NO
|
5.35
|
0.24
|
1.5
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＞75%
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SO2
|
7.35
|
0.20
|
1.5
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＞75%
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NH3
|
10.55
|
1.10
|
1.5
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＞70%
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CO2
Laser
|
10.60
|
0.40
|
1.5
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＞75%
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LWBP
|
15.0
|
1.80
|
1.6
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＞70%
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Other
size and wavelength range Infrared Filters are available upon request.
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