Zobrazeno 1 - 10
of 4 364
pro vyhledávání: '"difference frequency generation (DFG)"'
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 1999 429(1):481-484
Akademický článek
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Autor:
Maryam Kashani, Hamid Reza Zangeneh
Publikováno v:
Mathematics Interdisciplinary Research, Vol 7, Iss 3, Pp 239-248 (2022)
We present a study of high efficient terahertz (THz) wave generation in DASB/GaAs, DASC/GaAs, and DAST/GaAs multilayer structures at 1.5THz via difference frequency generation (DFG) process with 1.5µm femtosecond laser pulses. We also compare the co
Externí odkaz:
https://doaj.org/article/45e661a6692743c9a9d56ead6f3c3d22
Akademický článek
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Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 429:481-484
The geometry of the adsorption of pyridine on gold single-crystal electrode has been investigated by in situ difference frequency generation (DFG) in aromatic ring spectral range, by using the CLIO free electron laser. We found that pyridine adsorbs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34dcfe5763cf65b04163c7c24bb418af
https://doi.org/10.1016/s0168-9002(99)00151-5
https://doi.org/10.1016/s0168-9002(99)00151-5
Publikováno v:
1999 IEEE LEOS Annual Meeting Conference Proceedings. LEOS'99. 12th Annual Meeting. IEEE Lasers and Electro-Optics Society 1999 Annual Meeting (Cat. No.99CH37009).
Efficient high energy OPO's employing LiNbO/sub 3/ or KTP crystals pumped by conventional Nd:YAG laser have been demonstrated in the range of 1-5 /spl mu/m. To extend the source beyond 5 /spl mu/m range an additional nonlinear step may be employed to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62540d33b7d4da949094390be635187a
https://doi.org/10.1109/leos.1999.811861
https://doi.org/10.1109/leos.1999.811861
Publikováno v:
Results in Engineering, Vol 12, Iss , Pp 100297- (2021)
Tunable diode laser absorption spectroscopy (TDLAS) is a widely used hydrocarbon gas sensing method in many fields. However, the short scanning range limits its application where multi-species detection is necessary. In this paper, a laser system bas
Externí odkaz:
https://doaj.org/article/49dfb8f6477b448394dc5a4021a2271e
Autor:
Hamid Reza Zangeneh, Maryam Kashani
Publikováno v:
Mathematics Interdisciplinary Research, Vol 3, Iss 1, Pp 1-13 (2018)
We propose that high efficient terahertz (THz) multilayer structures are composed of DSTMS/SiO2 and OH1/SiO2 at 3 and 6THz frequencies. We show that the efficiencies of these structures are higher than DAST/SiO2 structure in both of 3 and 6THz
Externí odkaz:
https://doaj.org/article/b505df57c4e046fb934e6be17d8da3b7
Publikováno v:
Electronics Letters. 35:978
The authors report on a method for enhancing the operating stability and signal bandwidth of difference-frequency-generation-based wavelength conversion by detuning the pump from the degenerate phase matching wavelength; both can be further enhanced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b35eb44504ab49b228c76b7f2234d381
https://doi.org/10.1049/el:19990678
https://doi.org/10.1049/el:19990678
Conference
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