Mega-9
Advanced narrow bandpass filters
and beam splitter cubes /> and beam splitter cubes
620nm narrow bandpass filter,FWHM:12nm
Price:$100(FOB Shanghai)
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Size:60*60*2mm
CWL:620nm
FWHM:12nm
Type: narrow bandpass filter
Specifications:
Substrate material: Float glass
Dimension(mm):11.4x11.4,Ø12.5x6(mounted),Ø25.4x6(mounted),Custom
Angle of incidence:0กใ
Center wavelength:620 nm
FWHM:12 nm
Tpeak: T>65% at 620 nm
Blocking: OD4-L What is OD?
Min. clear aperture(mm): >11x11(11.4x11.4),>Ø8.7(v12.7),>Ø21(Ø25.4)
Other: Customed,Store id: B08-5-5
Note: Other dimension and specification are available upon request.
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Mega-9 Optical supplies advanced narrow bandpass filter with high quality and fast delivery.
1. An optical filter comprising: a first optical element including a first reflective element for receiving light and reflecting a first wavelength band of the light centered at a first reflective wavelength, the first reflective element characterized by a first reflective filter function; and a second optical element, optically connected to the first a second optical element to receive the reflected first wavelength band of the light, including a second reflective element for reflecting a second wavelength band of the light centered at a second reflection wavelength, the second reflective element characterized by a second reflective filter function, whereby at least one of the first reflective filter function and the second reflective filter function is not substantially flat over a substantial portion of the respective first or second reflective filter function, and the first wavelength band and the second wavelength band overlap spectrally. 21. The optical filter of claim 1 further includes a heating element for varying the temperature of the first optical element to tune the first reflective element to reflect the selected first wavelength band. 22. The optical filter of claim 1, wherein the at least one of the first and second optical waveguides has outer dimensions along perpendicular axial and transverse directions, a first portion of the at least one of the first and second optical waveguides having an outer dimension being at least 0.3 mm along said transverse direction, at least a portion of the first portion having a transverse cross-section which is continuous and comprises a substantially homogeneous material; and the at least one of the first and second optical waveguides being axially strain compressed so as to change the at least one of the first and second reflection wavelengths. 23. The optical filter of claim 22, wherein both of the first and second optical waveguides is tunable to change each of the respective first and second reflection wavelengths.
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