Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator

Jenna L. Kloosterman, Darren J. Hayton, Yuan Ren +7

We report on a heterodyne receiver designed to observe the astrophysically important neutral atomic oxygen [OI] line at 4.7448 THz. The local oscillator is a third-order distribute…