US_23109 - Laser Systems and an Optical Reference System

Tender description

The University of Sussex is sharing this Invitation to Tender to obtain professional, properly defined and priced propositions for The Supply, Delivery, Warranty and Installation of Laser Systems over two lots. Lot 1 – The Supply, Delivery, Warranty, and Installation of Laser Systems. Lot 2 – The Supply, Delivery, Warranty, and Installation of an Optical Reference System. Bidders are invited to submit their propositions (tender returns) for Lot 1 and/or Lot 2 only after carefully reading this document and assessing their suitability for this tender. Lot 1: The Supply, Delivery, Warranty and Installation of Laser Systems The University of Sussex are seeking to procure a number of multiple independently tunable diode laser models with the following characteristics: 1. Multiple independently tunable diode laser modules: 1.1. Tuneable diode sources for Yb ions, linewidth <100kHz, fibre-coupled outputs, mode-hop free tuning >15GHz 1.1.1. Laser at 369.5nm, 60mW (via second harmonic generation; with additional output of fundamental at 739nm), QTY 4 1.1.2. Laser at 935nm, 60mW, QTY 3 1.1.3. Laser at 760nm, 20mW, QTY 4 1.1.4. Laser at 399nm, 60mW, QTY 2 1.2. Tuneable diode sources for Ba ions, linewidth <100kHz, fibre-coupled outputs, mode-hop free tuning >15GHz 1.2.1. Laser at 493nm, 30mW, QTY 2 1.2.2. Laser at 650nm, 40mW, QTY 2 1.2.3. Laser at 413nm, 30mW, QTY 1 1.2.4. Laser at 533nm, 120mW (via second harmonic generation; with additional output of fundamental at 1.01um), QTY 1 1.3. Free-running UV diode at 405nm, GHz linewidth, 80mW, fibre coupled, QTY 1 1.4. All units within 1.1 – 1.3 to be housed in a suitable number of 19inch rack modules, with full thermal management and vibration isolation (better than 200MHz/K stability) 4. Integrated modular multi-unit laser rack infrastructure 4.1. Portable 19inch racks sufficient to house all units 1, 2, and 3. 4.2. Digital controllers for all laser units within 1.1 – 1.3, allowing remote monitoring and control of laser parameters, including: 4.2.1. Scanning and modulation of laser output wavelength 4.2.2. Signal display using configurable input signals 4.2.3. Intelligent wavelength locking and re-locking 4.2.4. Power stabilisation feedback 4.3. Fast (10ns) analog feedback electronics for units 1.1.1, 1.1.2, 1.2.1 and 1.2.2 suitable to implement Pound-Drever-Hall wavelength locking and linewidth narrowing, together with reference cavities of item 2.1 Lot 2: The University of Sussex are seeking to procure an Optical Reference System with the following characteristics: 2. Stabilised laser locking reference cavity sub-system 2.1. Sufficient optical reference cavities to enable narrow linewidth (<100kHz) operation of laser units 1.1.1, 1.1.2, 1.2.1 and 1.2.2. 2.1.1. Wideband high-finesse (>1000) optical coating of cavity mirrors 2.1.2. Passive length stability corresponding to resonance shift of <1MHz/day 2.1.3. Fully tuneable optical resonances either by length-tuning or by offset frequency signal processing 2.2. Suitable vacuum housing for the cavities of 2.1, with temperature stabilisation and ion pump. 2.3. Locking electronics and detectors to generate Pound-Drever-Hall modulation error signals for all units coupled to the cavities of 2.1. 3. Multi-channel wavelength measurement sub-system 3.1. Sufficient wavelength measurement units with optical switches to continuously monitor all laser units within 1.1 – 1.3 with a rate of 10Hz, resolution 1MHz, accuracy 30MHz 3.2. Wavelength calibration sources as necessary for 3.4.1 with <5MHz absolute accuracy 3.3. Housed in a suitable number of 19inch rack modules