Noncritical phase-matched fourth harmonic generation properties of traditional grown large-size DKDP crystal
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DOI: 10.1016/j.optcom.2016.12.071
Abstract: Abstract Noncritical phase-matched (NCPM) fourth harmonic generation (FHG) of 1053 nm was conducted at different regions of a traditional grown large-size 65.8% deuterated potassium dihydrogen phosphate (DKDP) crystal. NCPM FHG was realized at the temperature of… read more here.
Keywords: noncritical phase; fourth harmonic; dkdp crystal; traditional grown ... See more keywords
Wideband Fourth-Harmonic Mixer Operated at 325–500 GHz
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2018.2804158
Abstract: This letter presents an approach to design the fourth-harmonic mixer based on a pair of antiparallel Schottky diodes. To implement the proposed fourth-harmonic mixer, a two-level local oscillator (LO) low-pass filter is used to suppress… read more here.
Keywords: 325 500; harmonic mixer; fourth harmonic; 500 ghz ... See more keywords
Fourth-harmonic-generation of 266-nm ultraviolet nanosecond laser with NaSr3Be3B3O9F4 crystal
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DOI: 10.1117/1.oe.59.11.116110
Abstract: Abstract. Ultraviolet (UV) 266-nm nanosecond (ns) laser was obtained through fourth-harmonic-generation by using new nonlinear optical crystals of NaSr3Be3B3O9F4 (NSBBF) with different lengths. Since NSBBF crystals are prone to crack during laser experiments, we added… read more here.
Keywords: nanosecond laser; laser; fourth harmonic; harmonic generation ... See more keywords
Fourth-harmonic generation of orbital angular momentum light with cascaded quasi-phase matching crystals.
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DOI: 10.1364/ol.406162
Abstract: Orbital angular momentum (OAM) light, combined with the nonlinear process to expand the frequency range, has drawn increasing research interest in recent years. Here, we implement the first, to the best of our knowledge, experimental… read more here.
Keywords: fourth harmonic; harmonic generation; angular momentum; generation ... See more keywords
Fourth-harmonic generation via nonlinear diffraction in a 2D LiNbO3 nonlinear photonic crystal from mid-IR ultrashort pulses
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DOI: 10.3788/col201715.051901
Abstract: Five conical harmonic beams are generated from the interaction of femtosecond mid-infrared (mid-IR) pulses at a nominal input wavelength of 1997 nm with a 2D LiNbO3 nonlinear photonic crystal with Sierpinski fractal superlattices. The main… read more here.
Keywords: nonlinear photonic; linbo3 nonlinear; fourth harmonic; harmonic generation ... See more keywords