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- Agate, B., et al.
(författare)
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Portable ultrafast blue light sources
- 2004
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Ingår i: OSA Trends Opt. Photonics Series. - 1557527709 ; , s. 651-652
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Konferensbidrag (refereegranskat)abstract
- An effective means of achieving a portable, ultrafast blue-light source using a variety of nonlinear media is demonstrated. We investigate the relative merits of aperiodically-poled bulk and waveguide nonlinear crystals in comparison to periodically-poled structures.
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- Agate, B., et al.
(författare)
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Portable ultrafast blue light sources designed with frequency doubling in KTP and KNbO3
- 2004
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Ingår i: IEEE Journal of Selected Topics in Quantum Electronics. - : Institute of Electrical and Electronics Engineers (IEEE). - 1077-260X .- 1558-4542. ; 10:6, s. 1268-1276
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Tidskriftsartikel (refereegranskat)abstract
- We demonstrate an effective means of achieving compact, truly portable, and entirely self-contained ultrafast blue light sources. Using a variety of nonlinear media to achieve simple second-harmonic generation of a femtosecond Cr:LiSAF laser, we investigate the relative merits of aperiodically poled bulk and waveguide nonlinear crystals in comparison to periodically poled structures. Such a compact and convenient source of ultrashort laser pulses in the blue spectral region could be of great interest for on-site applications spanning a host of disciplines, such as biomedical imaging, optical micromanipulation, and high-resolution spectroscopy.
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3. |
- Arvidsson, G., et al.
(författare)
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Anordning i form av koherent ljuskälla baserad på frekvenskonvertering av ljuset från lasrar : [Controllable laser light source uses two laser sources to enable frequency mixing such that three or four new wavelengths may be generated]
- 1990
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Patent (populärvet., debatt m.m.)abstract
- The present invention concerns a coherent light source based on frequency conversion of the radiation from two lasers (20, 21) by frequency mixing in optical waveguides (10; 90), which are provided in a substrate (1). The wavelengths for the two lasers (20, 21) should be such, that the phase matching condition for the optically nonlinear frequency conversion is fulfilled in the waveguide structure (10; 90). The frequency conversion is accomplished in the form of frequency mixing, frequency doubling or down conversion in frequency by parametric oscillation so that in total three or four new wavelengths can be generated. By using integrated optics technique the output radiation can be controlled in various ways, for example be switched to different output waveguides, varied in intensity or colour balance.
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