Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00340-013-5434-1
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dc.titleA picosecond near-infrared laser source based on a self-seeded optical parametric generator
dc.contributor.authorUpputuri, P.K.
dc.contributor.authorWang, H.
dc.date.accessioned2014-10-16T09:14:25Z
dc.date.available2014-10-16T09:14:25Z
dc.date.issued2013-09
dc.identifier.citationUpputuri, P.K., Wang, H. (2013-09). A picosecond near-infrared laser source based on a self-seeded optical parametric generator. Applied Physics B: Lasers and Optics 112 (4) : 521-527. ScholarBank@NUS Repository. https://doi.org/10.1007/s00340-013-5434-1
dc.identifier.issn09462171
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95668
dc.description.abstractWe report on the design and development of a new type of near-IR laser source. The source comprises of an optical parametric generator (OPG) and a second harmonic generator (SHG) pumped by an 80-MHz, 1064-nm, 7-ps Nd:YVO4 laser. The OPG is self-seeded with a fraction of its own signal output, which significantly enhances its conversion efficiency. The SHG doubles the frequency of OPG signal to produce a coherent output. The final output beam has a tunable wavelength near 800 nm, an average power of over 1 W, and a pulse duration around 5 ps. The M2-factor of the output beam can reach 1.1 after spatial filtering. With the new laser source, we have successfully demonstrated coherent anti-Stokes Raman scattering microscopy on 1 μm polystyrene beads, which shows that it has the potential to be a substitute for a picosecond optical parametric oscillator in certain microscopy or spectroscopy applications.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1007/s00340-013-5434-1
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1007/s00340-013-5434-1
dc.description.sourcetitleApplied Physics B: Lasers and Optics
dc.description.volume112
dc.description.issue4
dc.description.page521-527
dc.description.codenAPBOE
dc.identifier.isiut000325099400012
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