Ultrafast time-resolved fluorescence by two photon absorption excitation
SCIE
SCOPUS
- Title
- Ultrafast time-resolved fluorescence by two photon absorption excitation
- Authors
- Kim, CH; Joo, T
- Date Issued
- 2008-12-08
- Publisher
- OPTICAL SOC AMER
- Abstract
- We report a time-resolved fluorescence apparatus utilizing fluorescence upconversion by noncollinear sum frequency generation and two photon absorption as an excitation. Near perfect time-resolution is achieved with 20 fs pulses to give the instrument response of 33 fs (FWHM) over the entire fluorescence wavelength for a 100 mu m thick mixing crystal. Through experiments and numerical simulations, it is shown that 40 fs time-resolution can be obtained even for a 580 mu m thick mixing crystal at a fluorescence wavelength longer than 500 nm. (C) 2008 Optical Society of America
- Keywords
- PUMP-PROBE EXPERIMENTS; UP-CONVERSION; EXCITED-STATE; LUMINESCENCE SPECTROSCOPY; SOLVATION DYNAMICS; PROTON-TRANSFER; KERR SHUTTER; ULTRAVIOLET; GENERATION; PULSES
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/22358
- DOI
- 10.1364/OE.16.020742
- ISSN
- 1094-4087
- Article Type
- Article
- Citation
- OPTICS EXPRESS, vol. 16, no. 25, page. 20742 - 20747, 2008-12-08
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