Please note that Half-Width (HW) and Full Width Half Maximum (FWHM) terms are considered equivalent and used interchangeably on this web-site

Example of typical order 

Quantity of filters

10

Transmittance in maximum

at least 40%

Diameter

15 mm

Thickness

3mm max

Diameter tolerance

+/- 1mm

Center wavelength

410 nm

Central wavelength tolerance

+/- 2nm

Bandwidth (FWHM)

20 nm

Bandwidth tolerance

+/- 5 nm

Blocking (Tf%)

0.1%

Blocking range

200-800 nm

Other relevant parameters

  • Environmental: temperature, humidity, angle of incidence

  • Bandwidth at 0.1 peak transmittance, nm

  • Surface quality

  • Exposed/enclosed design

  • Bandshape (for example, the number of cavities)

  • etc

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