Dichroic Filter

Dichroic filters are perceived by humans to be highly saturated in color. Such filters are popular in architectural and theatrical applications.

Dichroic reflectors known as cold mirrors are commonly used behind a light source to reflect visible light forward while allowing the invisible infrared light to pass out of the rear of the fixture.

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Specification of Dichroic Filter long-wave Pass Type

The Center Wavelength is NM	Reflection Band NM	Transmission Band NM
425	370-400	440-1200
450	370-430	465-1200
500	370-480	515-1200
550	385-520	565-1200
600	440-570	620-1200
650	495-615	670-1200
700	535-665	720-1200
750	565-715	770-1200
800	600-760	820-1200
850	635-810	870-1200

Specification of Dichroic Filter Shortwave Pass Type

The Center Wavelength is NM	Reflection Band NM	Transmission Band NM
450	370-430	470-545
500	370-430	520-610
550	400-530	575-725
600	400-580	625-795
650	400-630	675-850
700	400-680	725-900
750	400-725	800-990
800	400-775	850-1050
850	400-820	910-1110

Specification of High-Performance Dichroic Spectral Filter

Diameter MM	Laser Wavelength NM	Edge Steepness NM	Edge Steepness CM	Transition Bandwidth NM	Transition Bandwidth CM	Edge Wavelength NM
12.5	488	2.4	101.9	4.9	203	492.8
12.5	532	2.7	93.5	5.3	186	537.2
12.5	632.8	3.2	78.6	6.3	156	639.1
12.5	785	3.9	63.4	7.9	126	792.9
12.5	830	4.2	59.9	8.3	119	836
12.5	1064	5.3	46.8	10.6	93	1071
25	488	2.4	101.9	4.9	203	492.8
25	532	2.7	93.5	5.3	186	537.2
25	632.8	3.2	78.6	6.3	156	639.1
25	785	3.9	63.4	7.9	126	792.9
25	830	4.2	59.9	8.3	119	836
25	1064	5.3	46.8	10.6	93	1071

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