Interference Filter

Biomedical

Fluorescence Microscope

Laser System

Inspection Apparatus

Selective Interference

Hg Lamp Spectrum

Analyzing Spectrum

Imaging Optics Systems

Attribute	Specification
Material	Colored glass filter or optical coating glass
Typical Diameter (Φmm)	12.0, 15.0, 25.0, 25.4, etc.
Typical Thickness (mm)	2.0 ～ 10.0
Dimension Tolerance (mm)	±0.2
FWHM (nm)	10 ～ 80
Wavelength Tolerance (nm)	±2 ( 10nm FWHM)
Surface Quality	80/50 (General), 40/20 (High Precision)
Wavelength (nm)	220, 254, 265, 280, 295, 313, 340, 365, 405, 340, 380, 400, 405, 430, 450, 492, 497, 510, 524, 530, 546, 550, 555, 578, 590, 592, 600, 612, 620, 630, 690, 700, 750, etc.

Note for Interference Filter:

(1). Custom-made diameter is available, Custom-made shape of interference filter is available.

(2). Typical thickness is from 2.0mm to 5.0mm, custom-made thickness from 2.0mm to 10.0mm is available.

(3). Typical dimension tolerance is ±0.2mm, better precision is available upon request.

(4). Typical FWHM (transmitted wavelength range, as defined by the Full Width Half Maximum of transmission

curve) from 10nm to 80nm, broadband from 1nm to 100nm are available upon request.

(5). Typical wavelength tolerance is ±2nm when FWHM is 10nm, better precision is available upon request

(6). Typical surface quality is 80/50, better precision such as 60/40, 40/20 is available upon request.

(7). Wavelength is various due to different applications, they are UV (200nm-399nm), VIS (400nm-700nm),

IR (750nm-2500nm), Please tell us your special use wavelength.

Colored Glass Filter Applications Neutral Density Filter

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