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- Title
Red, yellow, green and blue – four-color light from a single, aperiodically poled LiTaO[sub 3] crystal.
- Authors
Liao, J.; He, J. L.; Liu, H.; Du, F.; Xu, F.; Wang, H. T.; Zhu, S. N.; Zhu, Y. Y.; Ming, N. B.
- Abstract
We demonstrate simultaneous quasi-continuous wave generation of red, yellow, green and blue coherent radiation based on quadruple quasi-phase matching (QPM) frequency upconversion from a single, aperiodically poled LiTaO[sub 3] (APPLT) crystal with a diode-pumped Nd:YVO[sub 4] dual-wavelength laser oscillating at 1342 and 1064 nm. We designed and prepared an APPLT crystal, which can provide four pertinent reciprocals for simultaneous quadruple QPM processes. Namely, frequency doubling of 1342 nm generates red light at 671 nm, sum-frequency mixing of 1342 nm and 1064 nm produces yellow light at 593 nm, frequency doubling of 1064 nm achieves green light at 532 nm and sum-frequency mixing of 1342 nm and 671 nm obtains blue light at 447 nm.
- Subjects
LASERS; DIODES; WAVES (Physics); RADIATION; OSCILLATIONS; LIGHT
- Publication
Applied Physics B: Lasers & Optics, 2004, Vol 78, Issue 3/4, p265
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-003-1399-9