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Category: Beams

Organization: Department Of Atomic Energy

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1 |Bid Value:₹ 20.41 Lakh |EMD:₹ 40.81 K |19-09-2026 Ending Today|T247 ID-103978360

procurement of zero-order half-waveplate, zero-order quarter-waveplate, non-polarizing broadband cube beam splitter and other items - procurement of zero-order half-waveplate, zero-order quarter-waveplate, non-polarizing broadband cube beam splitter and other items (as per attached detailed technical specifications)

Mumbai, Maharashtra, India

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670 nm l2 zero-order half-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 670 nm l4 zero-order quarter-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 852 nm l2 zero-order half-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 852 nm l4 zero-order quarter-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 780 nm l2 zero-order half-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 780 nm l4 zero-order quarter-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 795 nm l2 zero-order half-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 795 nm l4 zero-order quarter-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 400 nm l2 zero-order half-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 400 nm l4 zero-order quarter-waveplate diameter 127 mm unmounted material crystalline quartz type air-spaced compensated clear aperture 10 mm or larger retardation tolerance l300 surface quality 20-10 s-d wavefront distortion l10 632nm parallelism error 10 arcsec coatings ar 025 on each surface, 10x10x10 mm cube pbs 780 nm wavelength range 700-1050 nm type optically contacted high power dimensions 10x10x10 mm transmission 92 p-pol 015 s-pol beam deviation 3 arcmin clear aperture 85 ar coatings input and output faces surface quality 4020 sd surface flatness l4, 10x10x10 mm cube pbs 532 nm wavelength range 400-600 nm type optically contacted high power dimensions 10x10x10 mm transmission 92 p-pol 015 s-pol beam deviation 3 arcmin clear aperture 85 ar coatings input and output faces surface quality 4020 sd surface flatness l4, 10x10x10 mm non-polarizing broadband cube beam splitter wavelength range 750-1100 nm beamsplitting ratio 5050 dimensions 10x10x10 mm transmission 47 - 10 reflection 47 - 10 t r 90 clear aperture 80 ar coatings input and output faces beam deviation 5 arcmin surface quality 4020 sd surface flatness l4 ar coatings r 1 for 750-1100nm, diffraction limited plano-convex aspheric lens dia 125mm efl 10mm bfl 76mm na 0544 design wavelength 780 nm cnc polished aspheric lens material s-lah64 clear aperture 90 surface quality 40-20 s-d surface irregularity 1 um p-v centration error 3 arcmin coating uncoated, bk7 flat-parallel window 254 mm x 635 mm, uvfs flat-parallel window 254 mm x 5 mm, uvfs flat-parallel window 381 mm x 635 mm, uvfs flat-wedge window 254 mm x 635 mm 3 degree wedge

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