Optical detection of impurities and defects in detector-grade mercuric iodide
β Scribed by R.B. James; D.K. Ottesen; D. Wong; T.E. Schlesinger; W.F. Schnepple; C. Ortale; L. Van Den Berg
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 628 KB
- Volume
- 283
- Category
- Article
- ISSN
- 0168-9002
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Subpicosecond time-resolved transient grating experiments were performed in mercuric iodide, a wide bandgap semiconductor. Hot carriers created by two-photon absorption cooled within a few picoseconds to form the free exciton. The free exciton lifetime was 1.8 k 0.2 ns. Coherent Raman excitation of
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