1028nm narrow bandpass filter
Item#:NBPF1028/40
Price:$100
CWL:1028nm
Type: narrow bandpass filter
FWHM:40nm
Specifications:
Substrate material: Float glass
Dimension: Ø12.5mmx6mm(mounted),Custom
Angle of incidence: 0
Center wavelength: 1028nm(+2/-2nm)
Full width at half maximum: 40nm(+5/-5nm)
Min. transmission: >75% @ 1028nm,cut-off from 200nm to 1100nm(typical),T<0.01%
Min. clear aperture: >85% of diameter
Note: Other dimension and specification are available upon request.
Knowledge & Tips
Mega-9 Optical supplies advanced narrow bandpass filter with high quality and fast delivery.
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. 2. The optical filter of claim 1, wherein one of the first and second optical elements is tunable to change the corresponding first or second reflection wavelength. 3. The optical filter of claim 2 further includes a compression device that axially compresses at least one of the first and second optical elements, wherein at least one of the respective first and second reflective elements is disposed along an axial direction of the respective first and second optical elements. 4. The optical filter of claim 2 further includes: a first compressing device for axially compressing at least the first optical element to tune the first reflective element, responsive to a displacement signal, wherein the first reflective element is disposed axially along the first optical element; and a displacement sensor, responsive to the compression of the first optical element, for providing the displacement signal indicative of the change in the displacement of the first optical element.
Mega-9 Optical supplies advanced 1028nm narrow bandpass filter,high quality,fast delivery,tel:86-21-57784688. 1028nm narrow bandpass filter
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