Optically pumped far infrared lasers

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August undefined, 2024

WebAbstract Optically pumped lasers emitting in the middle-infrared spectral region are reviewed. General features of these lasers are discussed, and published data on them are summarized. Approximate lasing wavelengths are indicated, and a few of the more important mid-infrared optically pumped lasers are treated in more detail. Authors: Jones, … WebOptically Pumped Far Infrared Lasers Abstract: Intense superradiant laser action on a pure rotational transition in optically pumped CH 3 F has been recently reported. 1,2 It is the …

Optically Pumped Far-Infrared Laser Lines in Deuterated ... - Springer

WebDec 18, 2015 · For about 45 years, the generation of coherent, far-infrared radiation has been accomplished using the optically pumped molecular laser. Once far-infrared laser radiation is detected, the frequencies of these laser emissions are measured using a three-laser heterodyne technique. Web摘要：. The mathematical model of the optically pumped molecular laser has been built. The satisfactory fit of the computer simulation results with the experimental data has been established. The optimization of the CO laser with the optical pumping in (2,0) overtone was carried out by the numerical modeling methods. 关键词：. flyinwhite

Mid-infrared integrated photonics on silicon: a perspective

Web[121] Stange D, Wirths S, Geiger R, et al. Optically pumped GeSn microdisk lasers on Si. ACS Photonics 2016;3:1279–85. 10.1021/acsphotonics.6b00258 Search in Google Scholar … Webfour optically pumped far infrared (FIR) laser lines of methanol by locking to sub-Doppler Lamb dips at the center of each gain curve. The Lamb-dip signal was obtained by operating the laser at lower than usual pressure and transversely pumping the gain medium with CO2 laser radiation. Optically pumped FIR lasers are the most versatile, power- WebJul 1, 1978 · The use of capacitive-mesh output couplers for optically pumped far-infrared molecular lasers has been extended throughout the far-infrared spectrum, between 42 microm and 1.2 mm, and the optimum grid constants have been found for several lines. At shorter wavelengths, performance has been improved … greenmount harley-davidson motorcycles

Theoretical Analysis of Continuous-Wave Mid-Infrared Optical …

WebAbstract. We present both an innovative theoretical model and an experimental validation of a molecular gas optically pumped far-infrared (OPFIR) laser at 0.25 THz that exhibits 10 … WebFIR lasers typically consist of a long (1–3 meters) waveguide filled with gaseous organic molecules, optically pumped or via HV discharge. They are highly inefficient, often require … fly in wheels mc wikipediaWebAbstract. This work reports the discovery of 45 new optically pumped far-infrared (FIR) laser lines from CH 3 OD in the range 42.6 μm to 207.2 μm. A highly efficient CO 2 laser was used as the pump laser for an Optically-pumped Fabry-Perot FIR laser. The frequencies of most of the new lines were measured in the range 1.7 to 6.4 THz. greenmount hampstead md

"WebJun 15, 1995 · We report directional anisotropy of the outputs of an optically pumped far-infrared ring laser, which operates on the 119 μm line of CH3OH, with special emphasis on the effect of the Raman-type two-photon process on the unidirectional operation. " - Optically pumped far infrared lasers

Optically pumped far infrared lasers

Mid-infrared integrated photonics on silicon: a perspective

WebOptically Pumped Far-Infrared Laser Laser & Light Sources Lasers FIR-/THz-Laser FIR-/THz-Laser Reference number: EDI-FIR The FIR-/THz lasers are optically pumped lasers used in … WebOct 31, 1980 · Optically Pumped Far Infrared Lasers Stearns, R. C.; Hoskins, R. H. 1980-10-31 00:00:00 source simple, is The optically pumped far The optically pumped far infrared laser is a simple, reliable source of coherent is region from 40y to 1.8mm. A theoretical description is for radiation for the spectral region from 40p to 1.8mm. discussed. design ...

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WebThe laboratory provides various laser sources and optical characterization systems dedicated to spectroscopy and imaging using time- and frequency-resolved laser-based techniques. ... kHz can be wavelength-tuned from ~300 nm in the UV to 3 micrometers in the infrared and can also provide pulses in the far infrared up to a 20 micrometers ... WebApr 11, 2024 · The approach has the potential to cover a two-decade-spanning range of frequencies, from 50 to 5000 cm −1, by changing the wavelength of the pump laser in the near infrared, leaving all other ...

WebAbstract. Difluoromethane, CH 2 F 2, is a relatively new CW optically-pumped Far Infrared (FIR) laser. A set of selection criteria, which were based on key molecular properties, was … WebRed Therapy Company’s RedRush 720 ULTRA Body Light ($779) is a relative newcomer to the red light therapy market. This panel features: 660nm and 850nm red and near-infrared …

WebNov 15, 2024 · Terahertz quantum cascade lasers ( 9) are compact and can span portions of the region, but they currently have limited fractional tunability (<25%) and operate below room temperature ( 10, 11 ). Often overlooked is one of the earliest sources of terahertz radiation, optically pumped far-infrared (OPFIR) lasers ( 12 ).

WebJun 4, 1998 · We present a list of more than 800 far‐infrared laser lines emitted by optically pumped molecular lasers whose frequencies have been measured. For each line, frequency, wavelength, wave number, lasing molecule, CO 2 pump line, and, if available, the assignment of the lasing transition, are given. The list is accompanied by a survey of the ...

WebDec 31, 1996 · Abstract. Methanol and ten of its isotopomers have generated over 2000 far-infrared laser lines when pumped by CO{sub 2} lasers. The authors report here 28 new laser lines from the isotopomers {sup 12}CD{sub 3}OH, {sup 12}CH{sub 3}OD, {sup 12}CH{sub 2}DOH along with their frequencies, relative intensities, relative polarizations and pump … greenmount harley davidson o\u0027fallon ilWebThe optical constants of Se and CdTe have been measured in the far ir from 10 cm−1 to 100 cm−1 using Fourier transform spectroscopy. An oscillator model has been fit to the available data for both materials over the entire ir range from 10 cm−1 to 10,000 cm−1. Several three-phonon absorption peaks have been observed and identified in the absorption spectra of … fly-in wheels mc denverWebJan 1, 1975 · Intense superradiant laser action in the far infrared (FIR) has been observed in several gases optically pumped with a CO2 transversely excited atmospheric-pressure (TEA)... fly-in wheels mcWebA new optically pumped far-infrared (FIR) laser with separate pump beam reflector and FIR output coupler has been developed. The new design greatly simplifies the tuning of the … greenmount harolds crossWebFeb 1, 1976 · A high power, far infra-red laser, pumped by a long pulse high energy CO 2 laser, has been developed to produce 8 μs pulses at 447 μm. The influence of the molecular weight of the far infra-red gas on the absorption of the pump energy is discussed. The results show that the heavy molecules are most convenient for long pulse far infra-red … fly-in wheels mc historyWebDec 22, 2024 · High-power and widely tunable continuous-wave optical parametric oscillators (cw OPOs), as mature radiation sources in the mid-infrared range, are limited by their frequency fluctuation. We built a cw OPO working at the near- and mid-infrared ranges and discuss the extent to which its frequency stability is affected by the mechanical … fly in wheels mc historyWebMar 1, 1998 · In this review article, optically pumped molecular far infrared FIR lasers, where lasing transitions occur between nearby rotational levels (that is belonging to the same … fly in wineries