Optics and Opto Mechanical Components and EquipmentS

Amount

50:50 Non-Polarizing Beamsplitter Cube, 700 - 1100 nm, Ø1′′ or 25 mm Specifications: Cube side length - 25 mm or 1′′ Clear aperture > 20mm Wavelength Range - 700 - 1100 nm AR Coating (All Four Surfaces) with Ravg < 0.5% in the wavelength range Substrate Material - N-BK7 Beam Deviation - 5 arcmin or less Surface Quality - 40-20 Scratch-Dig Absolute T and R are within 47 ± 10 %

Kinematic Prism Mount for Ø1′′ or 25 mm cube beamsplitter Specifications: Black anodized aluminum kinematic for vertical or horizontal mounting with two adjusters Mounting platform plate with M4 tapped holes Adjusters Provide Fine Tip and Tilt Control Around 100 TPI Adjusters for ±4° Tip/Tilt M4 through holes or taps in the back plate of mounts for post-mounting (It should be compatible with the item number 1)

Ø1" or 25 mm Broadband Dielectric Mirror, 750 - 1100 nm Specifications: Reflectance average > 99% or better for 750-1100 nm Material - Fused Silica Surface flatness - ??/10 Surface quality - 10-5 scratch-dig or better Back surface - fine ground Clear aperture - 85% or more of dimension thickness - around 6 mm

Ø1" or 25 mm Mirror Mount with monolithic flexure arm, 3 Adjusters, Monolithic Optic Retention Specification: Tip, tilt, and Z-axis adjustment with 100 TPI Material Heat-treated stainless steel Cleanroom and vacuum-compatible Adjustment per revolution 7.7mrad/rev or less Front plate translation 6mm or more Angular range ±4° (It should be compatible with the item number 6)

Quadrant photodetector head, 1000 - 1700 nm, area 3.0 mm Specifications: Detector type - InGaAs Wavelength range - 1000 - 1700 nm Detector Bandwidth > 100 kHz Active area size - around 3.0 mm Peak Responsitivity - 1 A/W or better within the operating wavelength range Transimpedence gain - 10000 V/A or better Output - X, Y, and sum analog signals through cable(s)

InGaAs Switchable Gain Amplified Detector, 800 - 1700 nm, area > 3 mm² Specifications: Detector type - InGaAs Wavelength range - 800 - 1700 nm Bandwidth - 10 MHz or larger Active area size - 3 mm2 or larger Gain adjustment and step - 10 dB steps (8 to 10 position rotary) Output - BNC (DC coupled), 0-5 or 0-10 V range Output impedance - 50 ohm Peak response - 1 A/W or better within the operating wavelength range

Ø 25.0 mm N-BK7 Plano-Convex Lens, f=50 mm Specifications: Focal length tolerance - ± 1% Diameter - 25.0 mm RoC - 25.8 ± 1 mm Material - N-BK7 AR Coated for the 1050-1700 nm wavelength range Reflectance over coating range - 0.5 % or less Surface quality - 40-20 Scratch-Dig Surface irregularity - λ/4

Ø 25.0 mm N-BK7 Plano-Concave Lens, f=-50 mm Specifications: Focal length tolerance - ± 1% Diameter - 25.0 mm RoC - 25.8 ± 1 mm Material - N-BK7 AR Coated for the 1050-1700 nm wavelength range Reflectance over coating range - 0.5 % or less Surface quality - 40-20 Scratch-Dig Surface irregularity - λ/4

Laser Science services (I) Pvt. Ltd. (BID ID -3196220)

INFRARED OPTICS PRIVATE LIMITED (BID ID -3195515)

Sannidhi Enterprises (BID ID -3193821)