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Atomic Clocks

Laser sources for resonant light absorption require high-power, diffraction-limited, single-longitudinal-mode lasers with very narrow line widths and low noise for probing atomic transition lines.  Typical atoms utilized for the atomic clocks application include Potassium (770 and 767 nm) Rubidium (780 and 795 nm), and Cesium (852 and 895 nm). 

Typical atoms utilized for this application include:

  • Potassium (770 and 767 nm)
  • Rubidium (780 and 795 nm)
  • Cesium (852 and 895 nm)

This application requires temperature tuning of the laser emission wavelength to match the atomic transition line and then maintaining this lock over time.  IPS lasers are ideal for this application due to the high wavelength stability versus time of our hybrid external cavity design.  Generally, lasers for this application are PM fiber coupled although free space emission is also possible.  

Butterfly packages in our U-type modules in our ultra-stable configuration offer additional power stability versus temperature if this is required.

Related Products

We offer a wide variety of resonant light absorption lasers, including:

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