Filter

Interference Filter

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-399 nm), VIS (400nm-700nm),
      IR (750nm-2500nm), Please tell us your special use wavelength.

 

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