Narrow Band IR Filters

High transmission at transmission wavelength range
Selections covering th whole IR wavelength range of 0.9μm - 12μm
Various Substrate materials including BK7, Si, Sapphire, Ge, ZnSe, ZnS, CaF2 ect. optional
Applications: Gas detection, semiconductor applications etc.

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Modules or Types:

Here is some types of the IR narrow band filters for gas detection we provide:

Code	CWL	HPBW	Tpeak(%)	Blocking(Tavg<1%)	Detected Gas
	2.00±20nm	44±10nm	≧80%	400-3200nm	CO²
	2.18±20nm	41±10nm	≧80%	400-3200nm	HF ref
	2.45±25nm	72±10nm	≧75%	400-20000nm	HF means
	2.89±20nm	54±10nm	≧75%	400-20000nm	H²O
	3.55±30nm	132±20nm	≧75%	400-20000nm	HCl
	4.72±50nm	90±10nm	≧75%	400-11000nm	CO
	5.25±50nm	100±10nm	≧75%	400-11000nm	NO
	5.46±50nm	102±10nm	≧75%	400-11000nm	SO2 ref
	6.25±100nm	124±10nm	≧75%	400-11000nm	NO²
	7.40±100nm	126±10nm	≧80%	400-10000nm	SO²
	10.6±200nm	1172±150nm	≧75%	400-12000nm	NH³

Note: The customized IR filters available upon request.

Narrow band IR filters has high transmission at the central wavelength and block the other wavelength range, they are widely used in the gas detection, semiconductor applications. Hangzhou Shalom EO provide the customized narrow band infrared filters using a variety substrate materials: BK7, Si, Sapphire, Ge, ZnSe, ZnS, CaF2 ect., covers whole IR wavelength range from 0.9μm to 12μm.