G. Kh. Kitaeva, A. N. Penin, A. N. Tuchak, A. V. Shepelev, P. V. Yakunin, “Measurement of the spectral brightness of terahertz radiation in the process of nonlinear-optical detection”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2010, Volume 92, Issue 5,Pages <nobr>327

This article is cited in 8 papers

ATOMS, SPECTRA, RADIATIONS

Measurement of the spectral brightness of terahertz radiation in the process of nonlinear-optical detection

G. Kh. Kitaeva^a, A. N. Penin^a, A. N. Tuchak^b, A. V. Shepelev^b, P. V. Yakunin^a

^a Faculty of Physics, Moscow State University, Moscow, Russia
^b Moscow State Textile University, Moscow, Russia

Abstract: A method has been proposed for the absolute measurement of the spectral brightness of terahertz radiation in the process of the parametric frequency conversion to the optical range. The method has a low threshold flux and does not require extrinsic references. The method simultaneously allows for the calibration of thermal fluctuations and the determination of the absolute local temperature of a nonlinear converter crystal.

Received: 21.07.2010