Palomar DARKNESS

DARKNESS, the Dark-speckle Near-IR Energy-resolved Superconducting Spectrophotometer, will integrate with existing coronagraphs at the Palomar 200-inch Hale telescope.  DARKNESS will significantly improve the contrast ratio over what may be achieved with a conventional Integral Field Unit (IFU).  Advantages over conventional IFUs include:

1. Vastly simplified optical design with very high throughput

2. Operation from 700--1800 nm with energy resolution R~20 at 1 micron allows spectral suppression of speckles

3. Zero read noise and zero dark current photon counting enabling the Dark Speckle technique for contrast enhancement

More info here.

© Dimitri Mawet 2017