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Tender Value
₹1 L
EMD Value
₹1,000
Closing Date
24 Sept 2026, 11:00 am2d left
The Principal
Government College of Engineering, Tirunelveli
Supply of of Fiber Laser for CMRG Project
2026_DoTE_700938_1
GCE/TLY/4270/A2/2026
Open Tender
Laboratory and scientific equipment
Supply
15 days
Government College of Engineering
Please refer Tender documents.
5 documents required · 5 mandatory
₹0
₹1,000
Yes
24 Sept 2026
3 Sept 2026
25 Sept 2026
3 Sept 2026
24 Sept 2026
3 Sept 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Fiber Laser and its accessories
• Wavelength: 405 ± 5 nm (violet) — the classic He–Ne laser line.
• Operating current: 4 – 6 mA (typical)
• Operating voltage: 5.0V (typical)
• Rated voltage: 220 V ± 22 V, 50 Hz mains input (for power supply)
• Rated input power: < 20 W (typical)
• Output power: 50mW (choose based on your illumination needs)
• Connector: SMA
• Spatial mode: Fiber coupled
• Power cord
• Mounting: Laser tube + power supply unit (PSU) — includes power cord for 220 V mains.
• Stability: Long coherence length, stable output intensity — suited for speckle imaging.
• Safety: Class IIIB (for >5 mW) — use safety goggles rated for 632.8 nm.
Beam expanders
• Wavefront distortion: λ/4
• Transmission:>96%
• Wavength range: 400-700 nm
• Damaged threshold:>500mW/cm2
• Surface quality: 40-20 (scratch dig)
• AR coating, ravg: < 0.5% @ 400-700 nm
Mouting Bench
• Single slit
• Grating 500 lines
• Optical bench: 1.5 m
• Screen
• Plano-Concave lens
o Coating: Broadband AR (400–700 nm)
o Diameter: 25.4 mm
o Focal Length: −25 mm | 1 | No | - | - |
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