Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Hugo S. M. de Vries"'
Autor:
Hugo S. M. de Vries, David H. Parker, Stefan Persijn, R.H. Veltman, Jos Oomens, Frans J. M. Harren
Publikováno v:
ROMOPTO '97: Fifth Conference on Optics.
A CO laser has been used in combination with photoacoustic detection to monitor traces gases emitted from individual pieces of fruit under changing conditions. Ethanol and acetaldehyde have been detected as indicators of fermentation, ethylene for ri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff5909f127b19d1cef2e7d6e0dbeb357
https://doi.org/10.1117/12.312807
https://doi.org/10.1117/12.312807
Autor:
R.H. Veltman, David H. Parker, Jos Oomens, Stefan Persijn, Hugo S. M. de Vries, A.C.R. van Schaik, Frans J. M. Harren
Publikováno v:
SPIE Proceedings.
A CO laser emitting radiation between 1300 and 2000 cm-1 is applied to monitor trace gas emissions using photoacoustic detection. Several biologically interesting gases can be detected by tuning the laser frequency to absorption bands of these specie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72a5701eabf7437699324024465fc96a
https://doi.org/10.1117/12.276176
https://doi.org/10.1117/12.276176
Publikováno v:
SPIE Proceedings.
We describe a method to increase the tuning rate of a grating-tuned cw CO2 laser by using an intra-cavity ZnSe wedge as a tuning element. The wedge is mounted on a galvo element directly in front of the grating which forms one of the cavity mirrors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f65eb7d7aed256511346f716c9ee219
https://doi.org/10.1117/12.219646
https://doi.org/10.1117/12.219646