Inter University Centre For Astronomy And Astrophysics Tender
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Inter University Centre For Astronomy And Astrophysics - IUCAA Tender
Machinery and Tools
Metals and Non-Metals
Eprocure
Opening Date10 Jul 2024
Closing Date3 Aug 2024
Tender AmountRefer Documents
Costs
EMD
₹ 1,08,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_IUCAA_815876_1Bid Award Id
ViewTender No
M24-0231Tender Authority
Inter University Centre For Astronomy And Astrophysics ViewPurchaser Address
-Website
http://https://www.iucaa.in/
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Documents
BOQ Items
Ø31.8 mm Studded Pedestal Base Adapter, M6 Thread
Specifications:
Non-magnetic stainless steel base adapters for standard ½” post holders to convert them into pedestal mounts.
Material - solid 303 stainless steel Outer diameter - 31.8 mm
3 mm hex socket on the bottom for tightening
20
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50:50 Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 25.4mm
Specifications:
Cube side length 25.4mm
Clear aperture 20mm
Wavelength Range= 400 - 700 nm
AR Coating (All Four Surfaces) = Ravg 0.5% or better at 0° AOI from 400 - 700 nm
Substrate Material - N-BK7
Reflected Beam Deviation 90° ± (5 arcmin or less)
Surface Quality 40-20 Scratch-Dig
T: 47 ± (10% or less), R: 47 ± (10%or less), and T + R 90% or better
2
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Ø25 mm Post Clamp with 87.5 mm x 87.5 mm Mounting Plate, Metric
Specifications:
Removable 87.5 mm x 87.5 mm front mounting plate that provides a variety of M6 and M4 tapped holes and counterbores (Four M6 counterbored mounting holes, Six M4 counterbored mounting holes, Four M4x0.7 mounting holes, Thirty nine M6x1.0 mounting holes)
36.5mm long quick-release handle and adjustable height collar for clamping 25mm posts
2
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Post V-Clamp Mount, Metric, One PM4/M Clamping Arm Included
Specifications:
±10° of Coarse Pitch Control
Accepts Cylindrical Objects Ranging in Diameter from 6.5 mm to 51.9 mm
Quick-Release Handle for Mounting to Ø1.5" Posts
One PM4(/M) Clamping Arm
2
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Clamp for Ø44.2 mm HeNe Lasers
Specifications:
3-Point Contact for Stable Mounting with 2mm locking hex screws
Mount Cylindrical Components of 44.2mm diameter
M4 counterbore at the bottom of clamp
2
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Clamping Fork, 31.5mm Counterbored Slot
Specifications:
Stainless steel clamping forks for 3 point contact with table for securing Ø31.8 mm Studded Pedestal Base Adapter
31.5mm long counterbored slot for M6 threaded cap screws
25
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Ø1" Dielectric-Coated Concave Mirror, 400 - 750 nm, f = 100 mm, Back Side Polished
Specifications:
High-Reflectance Dielectric Coating for 400 - 750 nm
99% or more average Reflectance Over Dielectric Coating Range
Diameter Options: 1"
Focal Length = 100 mm
Radius of curvature = 200 mm
Clear aperture 90% of diameter
Polished Back Surface with surface Flatness λ/4 at 633 nm or better and surface quality 40-20 Scratch-Dig
4
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Screw-On Cable Straps
Screw-On Straps for Cable Routing on Optical Tables or Breadboards with 6.5mm diameter hole on one end and 31.5mm long slot on the other end.
15
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Si Detector, 350 - 1100 nm, 14 ns Rise Time, 13 mm², Universal M4 Mounting Holes, power supply as per indian voltage standard included
Specifications:
Active area 13mm2 (3.6mmx3.6mm)
Wavelength = 350 - 1100 nm
Rise time = 14 ns or less
Bandwidth = 25 MHz or more
Bias voltage 10V
2
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30:70 Beamsplitter, Ø1", Angle of incidence: 45°
Specifications:
Substrate - soda lime glass
Wavelength - 450 to 650 nm
Diameter = 1” (25.4mm)
Thickness = 1 mm
Splitter ratio = 30:70 (transmittance = 70%+/-10% and reflectance= 30%+/-10%)
Surface quality = 80-50 scratch dig
2
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50:50 Beamsplitter, Ø1", Angle of incidence: 45°
Specifications:
Substrate - soda lime glass
Wavelength - 450 to 650nm
Diameter = 1” (25.4mm)
Thickness = 1 mm
Splitter ratio = 50:50 (transmittance = 50%+/-10% and reflectance= 50%+/-10%)
Surface quality = 80-50 scratch dig
2
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HeNe Laser, 632.8 nm, 2 mW, Polarized, 100 - 240 V AC Power Supply Included
Specifications:
Output power = 2 mW
Polarization = linear (500:1)
Divergence 1.3 mrad or less for TEM00
Longitudinal mode spacing 730 MHz
RMS noise 0.1% or better over 30Hz to 10MHz Power supply input - Compatible to indian AC voltage standards
1
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Stabilized HeNe Laser, 633 nm, 1.2 mW, Polarized, Power supply included
Specifications:
Center wavelength - 633 +/- 1nm
Output stabilized power 1mW
Output polarization - Linear (PER 1000:1)
Output mode profile - TEM00 99%
Power supply input - Compatible to indian AC voltage standards
Operating temperature - 15 to 30 deg C (typical 25 deg C)
Desired frequency stability - +/- 3 MHz over 8 hours Desired intensity stability - +/-0.3% over 8 hours
1
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Kinematic Mirror Mount for Ø1" Optics
Specifications:
Black anodized aluminum mounts for Ø1" Optics of atleast 3 mm thickness
Post centered front plate aligned with post mounting hole
Optic Held with a Nylon-Tipped Setscrew tightened with 2.0mm hex key
2 post adjusters with angular adjustment range: ±4° and resolution of 8 mrad or less per revolution Two Counterbored M4 Through Holes Allow for Left- or Right-Handed Orientation
12
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Kinematic Mirror Mount for Ø1" Optics with Post-Centered Front Plate Specifications:
Front Surface of mirror aligned to center of front surface of mirror over center of mounting post with M4 Taps
Rear loaded double-bored mounting cell with nylon-tipped set screw for securing Ø1" optics at least 3 mm thick
2 post adjusters with angular adjustment range: ±4° and resolution of 8 mrad or less per revolution
2.0 mm hex Sockets in Lead Screws Accessible With or Without Knobs Removed
2
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Kinematic Prism Mount, 25.4 mm deep
Specifications:
Black anodised aluminum kinematic for vertical or horizontal mounting with two adjusters
Mounting platform plate with M4 tapped holes Adjusters Provide Fine Tip and Tilt Control
80 TPI Adjusters for ±4° Tip/Tilt
M4 through holes or taps in back plate of mounts for post mounting
3
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Threaded Bushing, 1/4"-100
Specification:
Material - 510 Phosphor bronze
0.63" Long
Bore diameter 0.3395”+0.0005”/-0.0000”
20
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N-BK7 Plano-Convex Lens, Ø1", f = 50 mm, AR Coating: 400 - 1100 nm
Specifications:
Coating reflectance per surface at 0 deg Angle of incidence 1%
Clear aperture 90% of diameter
Design wavelength 587+/-1nm
Refractive index at 633 nm = 1.515
Focal length tolerance 1%
Surface quality 40-20 scratch-dig
Surface quality for plane side Lambda/2
4
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Lens Mount with Retaining Ring for Ø1" Optics, M4 Tap
Specification
Fixed optic mount for 1” diameter optics with internal threading for retaining ring that secures the optic
M4 tap at base of mount for mounting to optical posts
Clear aperture for optic with retaining ring 90%
5
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Rotation Mount for Ø1" (25.4 mm) Optics
Specification
Directly mounts Ø1" Optics upto 12.7mm thick and offering 360° Continuous or 15° Indexed Rotation of optic
SM1 threaded bore with retaining ring for holding mounted optic
360deg engraved scale for angular adjustment
Post mountable with M4 tap
2
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Aluminum Breadboard, 300 mm x 300 mm x 12.7 mm, M6 Taps
Specifications
Material Aluminum with matte black anodized finish
Flatness +/-0.15mm over 0.09m2 or better
M6 tapped holes on 25mm centers
12.5mm distance from edge to first hole
M6 counterbored holes at four corners with inset of 25mm
2
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Aluminum Breadboard, 600 mm x 600 mm x 19.05 mm, M6 Taps
Material Aluminum with matte black anodized finish
Flatness +/-0.15mm over 0.09m2 or better
M6 tapped holes on 25mm centers
12.5mm distance from edge to first hole
M6 counterbored holes at four corners with inset of 25mm
One M6 counterbored hole at the center
1
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3-Channel, Open-Loop Piezo Controller
Specifications:
Number of Channels=3
Connectors-BNC Output Voltage- Switchable between 0 - 75 V, 0 - 100 V, or 0 - 150 V
Output Current (Max) 60 mA
External Control through BNC
Input Voltage = 0 - 10 V
Input Impedance = 10 kΩ
Input Gain
7.5 V/V ± 5% (for 75 V Output Voltage Setting)
10 V/V ± 5% (for 100 V Output Voltage Setting)
15 V/V ± 5% (for 150 V Output Voltage Setting)
1
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Single Channel, Open-Loop Piezo Controller
Specifications:
Number of Channels=1
Connectors-BNC Output Voltage- Switchable between 0 - 75 V, 0 - 100 V, or 0 - 150 V
Output Current (Max) 60 mA
External Control through BNC
Input Voltage = 0 - 10 V
Input Impedance = 10 kΩ
Input Gain
7.5 V/V ± 5% (for 75 V Output Voltage Setting)
10 V/V ± 5% (for 100 V Output Voltage Setting)
15 V/V ± 5% (for 150 V Output Voltage Setting)
1
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Ø1.5" Mounting Post, M6 Taps, L = 150 mm
Specification
Material Solid Non Magnetic Stainless Steel
M6 taps at both ends
Height L=150mm
2
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Piezoelectric Ring Chip
Specification
150 V drive voltage
3.9 µm Displacement, 15.0 mm OD, 9.0 mm ID, 3.2 mm Long, Chips with Pre-Attached Wires
Resonant frequency 260kHz or higher
7
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Ø1.85" Studded Pedestal Base Adapter, M6 x 1.0 Thread
Specification
Convert 1.5” dia. posts to pedestal style mounts to be secured using clamping forks
Material : 303 stainless steel
M6 threaded stud
2
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1" Polarizing Beamsplitter Cube, 620 - 1000 nm
Specifications:
Material N-SF1
Transmission TP 90%
Reflection RS, Avg 95%
Extinction ratio(P to S) 1000:1
Surface Quality 40-20 Scratch-Dig
1
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Si Switchable Gain Detector (power supply included)
Specification
320 - 1100 nm
DC to 11 MHz Bandwidth
Active area 75.4 mm²
Switchable gain 0.75kV/A - 2.38MV/A (50 ohm load) in 10dB steps
M4 Tap for post mounting
2
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Clamping Fork for Ø1.5" Post Pedestal Base Adapter
Specification
Material Stainless steel
53.8mm long Counterbored Slot
2
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Ø12.7 mm Post Holder, Spring-Loaded Hex-Locking Thumbscrew
Specification
Material Aluminum
5mm hex locking thumbscrew
M6 tapped hole in the bottom
Post length L=75 mm
20
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Adjustable Clamping Arm for platform mounts, M4 x 0.7 Threaded Post
Specification
Maximum optic height 40.9mm
Clamping distance 29.3mm
3
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Ø1" Mirror Mount with monolithic flexure arm, 3 Adjusters, Monolithic Optic Retention
Specification
Material Heat treated stainless steel
Cleanroom and vacuum compatible
3 sapphire seat on all adjusters with removable knobs
Pitch 100TPI
Adjustment per revolution 7.7mrad/rev or less
Front plate translation 6mm or more Angular range Two M4 counterbores at 90deg
5
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Right-Angle End Clamp for Ø1/2" Posts
Specification
Clamp angle 90deg
M6 threaded stud on the bottom
5 mm Hex thumbscrews to secure ½” posts
6
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Right-Angle Clamp for Ø1/2" Posts, 5 mm Hex
Specification
Clamp angle 90deg
Mounts two ½” posts at fixed 90deg angle
6
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Ø25.0 mm Pedestal Pillar Post, M4 Taps, Length = 100 mm
Specification
Material Solid stainless steel
Precision ground to 25mm dia
Stackable using M4 tapped holes on both ends
2
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Ø25.0 mm Pedestal Pillar Post, M6 Taps, L = 155 mm
Specification
Material Solid stainless steel
Precision ground to 25mm dia
Stackable using M4 tapped holes on both ends
2
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Ø1" Brass Optic Spacer, 6 mm in Length Specification
Spacer for mounting thin round optics in 1” optic mounts
Inner diameter 23mm
Outer diameter 25.4mm
4
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±15 V/5 V Power Supply Unit with Mini-DIN Connectors Specifications
Power supply compatible to power up to Two K- Cubes (As per indian voltage standards and plug adapter)
Main voltage requirements - 90 - 264 V, 0.8 A Max, 47 - 63 Hz
1
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Ø12.7 mm Optical Post, L = 100 mm
Specification
Non magnetic 303 stainless steel precicion ground to 12.7mm diameter
M4 tapped hole on top and M6 tapped hole at base
Removable double ended M4 setscrew
10
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Ø12.7 mm Optical Post, L = 40 mm
Specification
Non magnetic 303 stainless steel precicion ground to 12.7mm diameter
M4 tapped hole on top and M6 tapped hole at base
Removable double ended M4 setscrew
10
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Ø12.7 mm Optical Post, L = 50 mm
Specification
Non magnetic 303 stainless steel precicion ground to 12.7mm diameter
M4 tapped hole on top and M6 tapped hole at base
Removable double ended M4 setscrew
10
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Ø12.7 mm Optical Post, L = 75 mm
Specification
Non magnetic 303 stainless steel precicion ground to 12.7mm diameter
M4 tapped hole on top and M6 tapped hole at base
Removable double ended M4 setscrew
8
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Ø12.7 mm Universal Post Holder, Spring-Loaded Locking Thumbscrew
Specification
Height L = 75 mm
360deg swivel base
Magnets in base
8
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Ø1/2" Zero-Order Half-Wave Plate, Ø1" Mount, 633 nm
Specifications:
Material Crystalline Quartz
Retardance Accuracy (Typical) λ/300
Beam Deviation 10 arcsec
Surface Quality 20-10 Scratch-Dig
Reflectance at design wavelength (per Surface) 0.25%
2
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Ø1/2" Zero-Order Quarter-Wave Plate, Ø1" Mount, 633 nm
Specifications:
Material - Crystalline Quartz
Retardance Accuracy (Typical) λ/300
Beam Deviation 10 arcsec
Surface Quality 20-10 Scratch-Dig
Reflectance at design wavelength (per Surface) 0.25%
2
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25 mm Travel Linear Translation Stage, End-Mounted Micrometer, M6 x 1.0 Taps
Specification:
Mounting surface with 21 or more tapped blind holes (M6x1.0) Capable of creating multi-axis configuration
Travel of 500micron per revolution
1
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50 mm Travel Linear Translation Stage, End-Mounted Micrometer, M6 x 1.0 Taps
Specification:
Mounting surface with 26 or more tapped blind holes (M6x1.0) Capable of creating multi-axis configuration
Travel of 500micron per revolution
1
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High precision fine Hex Adjuster, 1/4"-100, 2" Long
Specification
100TPI fine adjustment
2mm hex key compatible
Load maximum 6.8kg or higher
Material DFARS-certified stainless steel
Adjuster body material 303 stainless steel
Ball tip material 440 stainless steel fixed to adjuster using epoxy
20
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