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We develop optical instruments and spectroscopic algorithms to detect laser pulses from space. Instruments include telescopes equipped with high-dispersion prisms, high-speed cameras, and high resolution spectrometers.
A pair of telescopes validates laser pulses with sub-second time resolution.
Our optics distinguish lasers from stars, planets, and solar reflections off satellites, and can detect direct laser beams and glints, including from beyond Earth (SETI).
We detect and confirm lasers with a double-telescope, each having a wedge prism over the front to produce spectra.
The wedge prism are made of flint-type glass to produce spectra of each point in the field of view. The two prism surfaces are flat to a 1/4 of the wavelength of light.
We employ three cooled, CMOS cameras, all delivering quantum efficiency over 80% and read-out times under 1/10 second.
We perform surveys for laser emission coming from Earth orbit,
A Search for Transient, Monochromatic Light from the Galactic Plane
Vanishing & Appearing Sources during a Century of Observations
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