ITT - Optical Parametric Oscillator

Description

The National Physical Laboratory requirement is for the supply of a laser source continuously tunable over the 350-1000 nm wavelength range. The source is to be used to calibrate single-photon detectors (SPDs) in NPL's new traceable calibration facility. The source is required to be pulsed at a variable repetition rate. The pulse jitter must be short enough to allow timing jitter measurements of SPDs. The pulse width must be short enough to enable measurement of the detection profiles of gated detectors. The pulse-to-pulse energy variability must be low enough so that the intensity of individual pulses do not need to be measured, and the mean value represents a very good approximation to the energy of any individual pulse. The technologies likely to fulfil these requirements are Optical Parametric Oscillators (OPOs) with a Second Harmonic Generator (SHG) module and a stable pump laser to allow a low pulse-to-pulse amplitude uncertainty, or an Optical Parametric Amplifier (OPA) with similar SHG and stable pump laser requirement. The 350-1000 nm wavelength tuning range is required to be achieved without change of optics or re-alignment. A pulse repetition rate …

Official publications

• ITT: Procurement of Alkaline Electrolyser Test Station
  Published: 19 August 2024
• ITT: Procurement of Alkaline Electrolyser Test Station
  Published: 19 August 2024
• RFQ: GC-PDHID for Trace Amount of Inert Gases Analysis
  Published: 6 August 2024
• ITT: Procurement of Dilution Refrigerator for Measurements of Superconducting Qubits
  Published: 5 August 2024
• RFQ: OWTF Very Low Frequency (VLF) Source Transducer
  Published: 1 August 2024
• RFQ: RF Spectrum Analyser
  Published: 31 July 2024
• RFQ: High-Range Optical Dew Point Hygrometer
  Published: 22 July 2024
• ITT - Security Operations Centre (SOC)
  Published: 3 April 2024
• ITT - Big Glove Box with Safety Disk
  Published: 8 February 2024
• RFQ - Prototype Novel Dosimeter for FLASH Radiotherapy
  Published: 29 January 2024

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• ITT - Variable Field NMR Spectrometer — 14 November 2023
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Frequently asked questions

What is the deadline to bid for this tender?

The submission deadline is 5 January 2024, 17:00. Check the official source, as dates can be modified.

Who is the buyer of this tender?

The contracting authority is National Physical Laboratory (United Kingdom).

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