Details

Autor(en) / Beteiligte

• Schmalz, K.
• Neumaier, P.
• Borngraber, J.
• Debski, W.
• Hubers, H.-W

Titel

245 GHz transmitter and receiver in SiGe for gas spectroscopy

Ist Teil von

• 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014, p.1-2

Ort / Verlag

IEEE

Erscheinungsjahr

2014

Quelle

IEEE Electronic Library (IEL)

Beschreibungen/Notizen

• A 245 GHz sensor system for gas spectroscopy is presented, which includes a SiGe transmitter (TX) and a receiver (RX). The integrated local oscillators of TX- and RX-chips are controlled by two external phase-locked loops (PLL), whose reference frequencies are swept with constant frequency offset. The reference frequency of the TX-PLL is modulated for frequency-modulation spectroscopy. The performance of the sensor system is demonstrated by the 2f absorption spectrum (second harmonic detection) of methanol.