Name of Work: Ultra-Narrow bandpass filter (BPF 1550)
Sl. No.
Item Description
1
Product Name: Ultra-narrow band pass filter [BPF1550(FWHM<0.5nm)]Item and SpecificationsSubstrate material:- Corning 7980 or OHARA SK-1300 or EquivalentsDimensions:- ø 12.7 ±0.1 x 3 ± 0.1 (mm) [including the filter ring]Clear aperture:- ø 8.5 (mm) Surface quality:- Scratch/Dig = 40/20 [ Scratch width ≤ 40 µm, Dig diameter ≤ 200 µm]Cracking:- No crackings in the effective area No progressive crackings out of the effective area\"Angle of incidence (AOI):- around 6° (adjustable)Polarization:- Non-polarizedCavity number:- 2Center wavelength:- 1552.4 nm @ 0˚ angle of incidence [1550.0 nm @ ~ 6° angle of incidence]Transmittance:- Tmax ≥ 95% FWHM:- < 0.5 nmBlocking:- OD ≥ 4 @ 1550nm-1600nm[Except transmssion band]Mounting:- with frame ringTest and charecterization:- Charecteristic transmittance and reflectance at different incident angle will be provided Packing:- Good qaulity
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