The integrated cavity output spectroscopy technique has been applied to the
study of methane near 1.73 mum using a tunable diode laser. We have shown
that this simple approach produces accurate high resolution spectra and hav
e achieved a detection sensitivity of 1.8 x 10(7) rights reserved. cm(-1) f
or mirror reflectives of 99.84%. (C) 2001 Elsevier Science B.V. All rights
reserved.