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Tender Value
₹20.4 L
EMD Value
₹40,814
Closing Date
19 Sept 2026, 12:00 pm
Purchase Officer
Tata Institute of Fundamental Research, Homi Bhabha Road, Navy Nagar, Colaba, Mumba
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)
2026_DAE_924601_1
TIFR/PD/CM26-101/261118
Limited
Laboratory and scientific equipment
Supply
90 days
TIFR
Please refer Tender documents.
5 documents required · 5 mandatory
₹0
₹40,814
Yes
3 Sept 2026
3 Sept 2026
21 Sept 2026
3 Sept 2026
19 Sept 2026
3 Sept 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | 670 nm L/2 Zero-Order Half-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 2 | 670 nm L/4 Zero-Order Quarter-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 3 | 852 nm L/2 Zero-Order Half-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 4 | 852 nm L/4 Zero-Order Quarter-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 5 | 780 nm L/2 Zero-Order Half-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 6 | 780 nm L/4 Zero-Order Quarter-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 7 | 795 nm L/2 Zero-Order Half-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 8 | 795 nm L/4 Zero-Order Quarter-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 9 | 400 nm L/2 Zero-Order Half-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
| 10 | 400 nm L/4 Zero-Order Quarter-Waveplate;
Diameter: 12.7 mm, unmounted;
Material: Crystalline quartz;
Type: air-spaced compensated;
Clear aperture: 10 mm or larger;
Retardation tolerance: <L/300;
Surface quality: 20-10 S-D;
Wavefront distortion: <L/10 @632nm;
Parallelism error: <10 arcsec;
Coatings: AR (<0.25%) on each surface | 6 | Nos | - | - |
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