Name of Work: Optics and Opto Mechanical Components and Equipment’s
Sl. No.
Item Description
1
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 rangeSubstrate Material - N-BK7 Beam Deviation - 5 arcmin or lessSurface Quality - 40-20 Scratch-Dig Absolute T and R are within 47 ± 10 %
2
Kinematic Prism Mount for Ø1′′ or 25 mm cube beamsplitterSpecifications:Black anodized aluminum kinematic for vertical or horizontal mounting with two adjustersMounting platform plate with M4 tapped holesAdjusters Provide Fine Tip and Tilt ControlAround 100 TPI Adjusters for ±4° Tip/TiltM4 through holes or taps in the back plate of mounts for post-mounting(It should be compatible with the item number 1)
3
Ø1\" or 25 mm Broadband Dielectric Mirror, 750 - 1100 nm Specifications:Reflectance average > 99% or better for 750-1100 nmMaterial - Fused SilicaSurface flatness - 𝛌/10 Surface quality - 10-5 scratch-dig or betterBack surface - fine groundClear aperture - 85% or more of dimensionthickness - around 6 mm
4
Ø1\" or 25 mm Mirror Mount with monolithic flexure arm, 3 Adjusters, Monolithic Optic RetentionSpecification:Tip, tilt, and Z-axis adjustment with 100 TPIMaterial Heat-treated stainless steelCleanroom and vacuum-compatibleAdjustment per revolution 7.7mrad/rev or lessFront plate translation 6mm or moreAngular range ±4°(It should be compatible with the item number 6)
5
Quadrant photodetector head, 1000 - 1700 nm, area 3.0 mm Specifications:Detector type - InGaAsWavelength range - 1000 - 1700 nmDetector Bandwidth > 100 kHzActive area size - around 3.0 mmPeak Responsitivity - 1 A/W or better within the operating wavelength rangeTransimpedence gain - 10000 V/A or betterOutput - X, Y, and sum analog signals through cable(s)
6
InGaAs Switchable Gain Amplified Detector, 800 - 1700 nm, area > 3 mm²Specifications:Detector type - InGaAsWavelength range - 800 - 1700 nmBandwidth - 10 MHz or largerActive area size - 3 mm2or largerGain adjustment and step - 10 dB steps (8 to 10 position rotary)Output - BNC (DC coupled), 0-5 or 0-10 V rangeOutput impedance - 50 ohmPeak response - 1 A/W or better within the operating wavelength range
7
Ø 25.0 mm N-BK7 Plano-Convex Lens, f=50 mmSpecifications:Focal length tolerance - ± 1%Diameter - 25.0 mmRoC - 25.8 ± 1 mmMaterial - N-BK7AR Coated for the 1050-1700 nm wavelength rangeReflectance over coating range - 0.5 % or lessSurface quality - 40-20 Scratch-DigSurface irregularity - λ/4
8
Ø 25.0 mm N-BK7 Plano-Concave Lens, f=-50 mmSpecifications:Focal length tolerance - ± 1%Diameter - 25.0 mmRoC - 25.8 ± 1 mmMaterial - N-BK7AR Coated for the 1050-1700 nm wavelength rangeReflectance over coating range - 0.5 % or lessSurface quality - 40-20 Scratch-DigSurface irregularity - λ/4
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