Indian Institute Of Science Education And Research Tender
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Indian Institute Of Science Education And Research - IISER Tender
Machinery and Tools
Eprocure
Opening Date16 Oct 2024
Closing Date6 Nov 2024
Tender AmountRefer Documents
Costs
EMD
0Document Cost
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Description
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Contact
Tender Id
2024_IISER_830944_1Bid Award Id
ViewTender No
IISER-K/PurEnq/414/P/DPS/24-25Tender Authority
Indian Institute Of Science Education And Research ViewPurchaser Address
-Website
http://eprocure.gov.in
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BOQ Items
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Ø1" Mounted Achromatic Quarter-Wave Plate made of Crystalline Quartz & UV Sapphire having clear aperture size of Ø22.6 mm (Ø0.89"), mounted diameter of 30.5 mm, unmounted diameter of 25.4 ± 0.2 mm, unmounted thickness of 3.2 mm. The AR coating range should be 350 - 850 nm with average reflectance of 1.0 % per surface. The damage threshold should be ~ 7.5 J/cm2 (532 nm, 10 ns, 10 Hz, Ø0.200 mm). The transmitted wavefront error (RMS) should be λ/4 @ 633 nm and surface quality should be 20-10 scratch-dig
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Internally threaded Fixed Lens Mounts having optic diameter Ø1.5", maximum optic thickness of 0.36" (9.2mm), clear aperture with diameter of 1.37" (Ø34.8mm) and optical height of 1.13" (28.7 mm). The mount should be accompanied with a compatible retaining ring for mounting the optics. The base of each mount must have an 8-32 (M4) tapped hole in order to allow it for mounting to Ø1/2" optical posts
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Lever-Actuated Post-Mountable continuously variable Iris Diaphragms with Black Spring Steel Leaves and Black-Anodized Aluminium Housing. The aperture size of the Iris should be ranging from Ø1.2 to Ø15.0 mm (max) with tolerance of ±0.13 mm (±0.005") and optical diameter and thickness should be 1.72" (36.6 mm) and 0.28" (7.2 mm). The bottom of the diaphragms should contain 8-32 (M4) Threaded Stud for mounting on the optical post
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Round Protected Silver Mirrors made with Fused Silica having diameter 1.0" (25.4 mm), thickness 6.0 mm (0.24") (tolerance ±0.2 mm), average reflectance 97% for 450 nm - 2 µm, 95% for 2 - 20 µm, Surface Flatness (Peak to Valley) λ/10 @ 633 nm, Surface Quality 40-20 Scratch-Dig, Parallelism 3 arcmin, Clear Aperture 90% of Diameter. The damage threshold of the mirror should be 0.225 J/cm2 (800 nm, 99 fs, 1 kHz, Ø0.167 mm) and 1 J/cm2 (1064 nm, 10 ns, 10 Hz, Ø1.010 mm) for pulsed laser and 500 W/cm (1.07 µm, Ø0.974 mm) and 1500 W/cm (10.6 µm, Ø0.339 mm) for CW laser.
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