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Optica Applicata
2010 Vol. 40, nr 3 641--651
EN We present spectroscopic applications of GaN-based laser diodes (LDs), fabricated and developed at the Institute of High Pressure Physics and its spin-off company TopGaN. LDs were manufactured using MOCVD technology. For spectroscopic applications we applied pulsed operated lasers generating the rad[...]
Opto - Electronics Review
EN We describe several applications of cavity ring-down spectroscopy (CRDS) for trace matter detection. NO₂ sensor was constructed in our team using this technique and blue-violet lasers (395–440 nm). Its sensitivity is better than single ppb. CRDS at 627 nm was used for detection of NO₃. Successful m[...]
Opto - Electronics Review
EN At present there are many reasons for seeking new methods and technologies that aim to develop new and more perfect sensors for different chemical compounds. However, the main reasons are safety ensuring and health care. In the paper, recent advances in the human breath analysis by the use of differ[...]
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