Laser system for rubidium-based optically pumped magnetometers. The laser system should consist of the following components: 7 independent tuneable diode lasers in the 780 - 795 nm range (including aR coated diodes, temperature stability, optical isolator) with controllers(a controller could be used for up to two lasers) Specifications for the diodes: - Wavelength tuning range 765nm-800nm - Output power after isolator >50mW - Linewidth <100kHz - Mode hop free tuning range >25GHz - Frequency stability < 100MHz/K P a g e | 3 Specifications for Laser diode controllers with frequency locking option: - Temperature, current and piezo control with very low drift - Enables to control up multiple laser heads - Enables side and top of the peak locking - Enables lock-in signal generation for locking to the top of the peak - Includes PIDs to enable independent piezo and current locking for each laser diode - Low current noise ( low frequency current noise< 100nA p-p) 1 laser diode at 928 nm with optical isolator to be used with one of the laser heads - Output power 100mW after the isolator - Coarse tuning range +/- 10nm - Mode-hope free tuning range at least 20GHz Overall budget for this item is up to £114,000 (VAT exemption) All tender questions must be answered within the tender form to facilitate comparison of responses. Please do not just put "refer to attached documentation". This project may be funded by the European Regional Development Fund (ERDF) or; - European Structural and Investment Fund (ESIF) or; Research Councils UK (RCUK), the strategic partnership of the UK's seven Research Councils
Contract value: 114000
Published: 17 Aug 2020, Receipt by: 4 Sep 2020
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