Laser absorption spectroscopy for high temperature H<sub>2</sub>O time-history measurement at 2.55 μm during oxidation of hydrogen<xref rid="cpb_27_7_074213_fn1" ref-type="fn">*</xref> <fn id="cpb_27_7_074213_fn1"> <label>*</label> <p>Project supported by the National Key Research and Development Program of China (Grant Nos. 2017YFB0202400 and 2017YFB0202401).</p> </fn>

Laser absorption spectroscopy for high temperature H₂O time-history measurement at 2.55 μm during oxidation of hydrogen* *

Project supported by the National Key Research and Development Program of China (Grant Nos. 2017YFB0202400 and 2017YFB0202401).

Gou Yu-Dan¹, Zhang De-Xiang¹, Wang Yi-Jun¹, Zhang Chang-Hua^{1, †}, Li Ping¹, Li Xiang-Yuan²

(a) Typical reflected shock pressure, (b) laser transmission signal, and (c) the time dependence of the H₂O mole fraction for 1% H₂/1% O₂/98% Ar mixture. T = 1246 K, P = 2 atm.