OPTICAL LATTICE CLOCK

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optical frequency standard

A compact, transportable system for precision timekeeping based on optical lattice technologies used in world-leading laboratories.

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Our strontium lattice clock project aims to create the world’s first commercially available fully integrated optical frequency atomic clock. The clock will be compact, transportable, easy to use and based on optical lattice technology enabled by the SolsTiS. The strontium lattice clock will achieve frequency uncertainties below 10-17, a level unprecedented on the global market.

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APPLICATIONS

  • Remote Frequency Comparisons
  • Time and Frequency Dissemination
  • High Frequency Financial Trading
  • Power Grid Management
  • Global Navigation Satellite Systems (GNSS)
  • Satellite-Free Navigation
  • Relativistic Geodesy
  • Time-Variation of Fundamental Constants
  • Tests of General Relativity
  • Gravitational Wave Detection

FEATURES

  • Target frequency uncertainty < 10-17 level
  • Blue MOT atom number > 106
  • Compact single beam MOT configuration
  • Fully customisable experiment timing and sequence control using the FPGA-based Ice Bloc DCS.

SYSTEM CONTROL

  • Easy-to-use control software provides complete control of optical system output
  • Experimental sequence control via Ice Bloc DCS
  • Ice Bloc DCS controls laser tuning, frequency generation, light switching, data collection triggers
  • Lasers controlled with SolsTiS and Equinox user interfaces as well as Ice Bloc QCLD
  • Remote control is also provided via TCP/IP commands

CORE SYSTEM COMPONENTS & MODULES

  • 19” electronics rack for RF signal generation, laser stabilisation, and system control
  • SolsTiS ECD-X at 461 nm for the blue cooling laser module
  • Repump laser module 679 nm and at 707 nm
  • Red cooling and stirring laser module 689 nm, including frequency shifting optics for switching between 88Sr and 87Sr
  • SolsTiS at 813 nm for the optical lattice module
  • Clock laser module at 698 nm
  • Optical reference cavity module for clock laser stabilisation and frequency stability transfer to all other lasers
  • Strontium vapour cell module for stabilisation to the atomic transition at 461 nm
  • Atom chamber module for trapping and probing strontium atoms
  • Ice Bloc DCS
  • 2 x Ice Bloc LB-4
  • 6 x Ice Bloc QCLD
  • Ice Bloc DD-40 (used as strontium dispenser current supply)

Specifications

BLUE MOT SUBSYSTEMS
ATOMIC SPECIES Neutral 88Sr or 87Sr
ZEEMAN SLOWER ATOMIC BEAM LONGITUDINAL VELOCITIES Final velocity of 50 m/s for initial longitudinal velocities 60 m/s to 240 m/s
MOT BEAM CONFIGURATIONSingle beam
OUTPUT POWER 461 nm (BLUE MOT)1.5 W
LINEWIDTH 461 nm sub-MHz
OUTPUT POWER 679 nm (REPUMPER)25 mW
LINEWIDTH 679 nm sub-MHz
OUTPUT POWER 707 nm (REPUMPER)25 mW
LINEWIDTH 707 nm sub-MHz
ADDITIONAL SUBSYSTEMS
OUTPUT POWER 689 nm (RED MOT)25 mW
LINEWIDTH 689 NM sub-kHz
OUTPUT POWER 813 nm (LATTICE LASER) > 5 W
LINEWIDTH 813 nm sub-kHz
ATOM NUMBER IN OPTICAL LATTICE> 104
OUTPUT POWER 698 nm (CLOCK LASER)25 mW
LINEWIDTH 698 nm sub-kHz
CLOCK TYPE Neutral 87Sr optical lattice clock
TARGET FREQUENCY UNCERTAINTY Below 10-17

GET IN TOUCH WITH OUR SPECIALISTS

Or if you’d prefer to speak to someone in person, please phone +44 (0)1483 685 170

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LASER ENQUIRIES

Phone +44 (0)141 945 0500

Head Office

 

Phone +1-617-401-2368

USA

MICROSCOPE ENQUIRIES

Phone +44 (0)1483 685170

M Squared Life