943nm narrow bandpass filter
Item#:NBPF943/20
Price:$100
CWL:943nm
Type: narrow bandpass filter
FWHM:20nm
Specifications:
Substrate material: Float glass
Dimension: Ø12.5x6(mounted),Custom
Angle of incidence: 0
Center wavelength: 943nm(+2/-2nm)
Full width at half maximum: 20nm(+3/-3nm)
Min. transmission: >50% @ 943nm,cut-off from 200nm to 1000nm(typical),T<0.02%
Min. clear aperture: >85% of diameter
Note: Other dimension and specification are available upon request.
Knowledge & Tips
Mega-9 supplies advanced narrow bandpass filter in large volumes or single-piece quantities for all requirements of spectral light measurement and control.
5. The optical filter of claim 4, wherein the displacement sensor includes a capacitance sensor coupled to the first optical element for measuring the change in the capacitance that depends on the change in the displacement of the first optical element. 6. The optical filter of claim 1, wherein both of the first and second optical elements is tunable to change each of the respective first and second wavelengths. 7. The optical filter of claim 6 further comprising: a first compressing device for compressing axially the first element to tune the first reflective element, wherein the first reflective element is written in the longitudinal direction in the first optical element; and a second compressing device for compressing axially the second optical element to tune the second reflective element, wherein the second reflective element is written in the direction in the second optical element. 16. The optical filter of claim 1, wherein at least one of the first and second optical elements have an outer cladding and an inner core disposed therein, wherein the at least one of the first and second reflective element comprises a grating disposed in a longitudinal direction of the inner core. 17. The optical filter of claim 16, wherein the at least one of the first and second optical elements comprises: an optical fiber, having a reflective element written therein; and a tube, having the optical fiber and the reflective element encased therein along a longitudinal axis of the tube, the tube being fused to at least a portion of the fiber. 18. The optical filter of claim 16, wherein the at least one of the first and second optical elements is an optical waveguide having an outer transverse dimension of at least 0.3 mm. 19. The optical filter of claim 16, wherein the at least one of the first and second optical elements is an optical fiber. 20. The optical filter of claim 1 further includes a straining device for tensioning axially the first optical element to tune the first reflective element, wherein the first reflective element is disposed along an axial direction of the first optical element.
Mega-9 Optical supplies advanced 943nm narrow bandpass filter,high quality,fast delivery,tel:86-21-57784688. 943nm narrow bandpass filter
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