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Sunday, July 26, 2020 | History

3 edition of Optically pumped far-infrared lasers found in the catalog.

Optically pumped far-infrared lasers

Optically pumped far-infrared lasers

  • 259 Want to read
  • 25 Currently reading

Published by Plenum Press in New York .
Written in English

    Subjects:
  • Far infra-red lasers -- Addresses, essays, lectures.

  • Edition Notes

    Includes bibliographicalreferences and index.

    Statementedited by Kenneth J. Button, M. Inguscio, and F. Strumia.
    SeriesReviews of infrared and millimeter waves -- v.2
    ContributionsButton, Kenneth J. 1922-, Inguscio, M., Strumia, F.
    Classifications
    LC ClassificationsTK7876, TA1696
    The Physical Object
    Paginationp. cm
    ID Numbers
    Open LibraryOL21249182M
    ISBN 100306414872

    We have directly monitored the rf Stark-field-induced splitting of the gain profile of the μm 13CH3F optically pumped far-infrared (OPFIR) laser transition. The resulting data are found to be in good agreement with ac Stark theory. Comparison with dc Stark tuning techniques shows that the rf Stark effect possesses a number of attractive attributes for frequency tuning cw OPFIR lasers. We propose the far-infrared and terahertz emitting diodes (FIR-EDs and THz-EDs) based on the graphene-layer/black phosphorus (GL/b-P) and graphene-layer/MoS2 (GL/MoS2) heterostructures with the lateral hole and vertical electron injection and develop their device models. In these EDs, the GL serves as an active region emitting the FIR and THz photons. Depending on the material of the .

    Methanol and its isotopic species have been systematically investigated as sources of far- infrared (FIR) laser emission utilizing a newly designed optically pumped FIR laser system. The system combines several different FIR laser cavity designs with the extended line coverage available from a recently developed high-resolution CO 2 laser of. De Temple, “Pulsed Optically Pumped Far Infrared Lasers” in Infrared and Millimetre Waves, Vol. 1 (Academic, New York, ), pp. – Google Scholar 3.

    This report summarizes studies on optically pumped far infrared molecular gas lasers. The research has been concerned with the general subjects of far infrared integrated optics and technology, the discovery of new optically pumped molecular laser systems, and the study and analysis of nonlinear processes (Raman and hyper-Raman) that can occur in optically pumped systems. New cw optically pumped far-infrared laser emissions generated with a transverse or ‘zig-zag’ pumping geometry M. Jackson H. Alves R. Holman R. Minton L. R. Zink Received: date / Accepted: date Abstract This work reports the observation of several novel far-infrared laser lines obtained through optical pumping of a gaseous medium using a trans-.


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Optically pumped far-infrared lasers Download PDF EPUB FB2

Optically Pumped Far-Infrared Laser Lines in Deuterated Methyl Alcohol, CH3OD, CH2DOH, CHD2OH, CD3OH, CD3OD.- Optically Pumped CH3CN, CD3CN and CH3NC Lasers.- The Optically Pumped Difluoromethane Far-Infrared Laser.- Far-Infrared Laser Lines Obtained by Optical Pumping of Fluorocar CF2CI Submillimeter Laser Lines in 1, 1.

Beforethe FIR portion of the electromagnetic spectrum was only very sparsely covered by molecular glow discharge lasers (HCN, DCN, H 2 O) and the list of available laser lines was rather poor 2 Since more than two thousand optically pumped FIR laser lines throughout the to 2 mm region were discovered, some providing hundreds of Cited by: 8.

: Reviews of Infrared and Millimeter Waves: Volume 2 Optically Pumped Far-Infrared Lasers (): Button, Kenneth J.: Books.

A wide range of optically pumped FIR lasers are available for applications requiring coherent radiation in the spectral range of 40 µm to mm ( THz).

Depending on the model of the CO 2 pump laser used, output powers of and mW at the p,m and micron methanol (CH 3 OH) lines can be : Edinburgh Instruments. High power optically pumped far infrared lasers.

Until the discovery in 1 of the optically pumped Far Infrared (FIR) lasers, the submillimeter range of the spectrum had been almost barren due to the lack of radiation sources.

4. OPTICALLY PUMPED FAR-INFRARED LASERS In Chang and Bridges obtained FIR stimulated emission from optically pumped methyl fluoride (CH3F),1'1 at the wavelengthsand jm. Since then optically pumped FIR lasers have developed rapidly. Optically Pumped Far Infrared Lasers Optically Pumped Far Infrared Lasers Stearns, R.

C.; Hoskins, R. 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 mm.

A theoretical description is for radiation for the spectral region from 40p to mm. discussed. design presented and. Infrared Physics,Vol. 16, pp. Pergamon Press. Printed in Great Britain. HIGH POWER OPTICALLY PUMPED FAR INFRARED LASERS* F. BROWNf Williams College, Williamstown, MA.

U.S.A. (Received 4 September ) Abstract--A review of operating principles and achieved characteristics of high power methyl fluoride lasers at = /im is presented. This book represents a compendium of the twenty most useful far-infrared (or submillimeter) lasers.

In the case of each laser described here, we have been fortunate to have the author who is the pioneer and acknowledged authority describe the principles of operation and to prepare the list of Optically Pumped Far-Infrared Laser Lines in. An intracavity LMR spectrometer based on an optically pumped laser is shown in Figure 2B.

The only difference is the change of the CO (or CO 2) laser in Figure 2A by an optically pumped laser. The pump radiation is multiply reflected between two metallic-coated flats parallel to the far-infrared laser axis. Longitudinal pumping in which the. This model is a stand-alone FIR laser designed for operation with high power CO2 lasers.

Guaranteed powers of mW when pumped by the PL5, and mW when pumped by the PL6, are available at μm and μm. The has a 3 bar invar support frame and features the same optical design as used in the FIRL Model Twin Laser.

Danielewicz, E.J. and Weiss, C.O., a: “Far Infrared Laser Emission from 15NH3 Optically Pumped by a CW Sequence Band CO2 Laser” IEEE J. Quantum Electron. QE. Until the discovery in 1 of the optically pumped Far Infrared (FIR) lasers, the submillimeter range of the spectrum had been almost barren due to the lack of radiation sources.

Before Far-infrared laser or terahertz laser (FIR laser, THz laser) is a laser with output wavelength in between µm (frequency THz), in the far infrared or terahertz frequency band of the electromagnetic spectrum. FIR lasers have application in terahertz spectroscopy, terahertz imaging as well in fusion plasma physics diagnostics.

They can be used to detect explosives and chemical. Abstract: The reinvestigation of 13 CD 3 OH, 13 CD 3 OD, CD 3 CN, and 13 CD 3 I as far-infrared lasing media has been performed with an optically pumped molecular laser system utilizing a transverse pumping geometry.

Thirty-four far-infrared laser emissions, with wavelengths ranging from to μm, have been discovered with this system.

Each new laser emission is reported with its. Fig. 3 Tunability of the optically pumped N 2 O laser. Emission spectra of the laser were measured as the QCL pump laser was tuned to different IR transitions of N 2 O.

The x axes show the measured emission frequency and the associated quantum number J L of the lower level of the pumped R-branch transition.

The QCL power was maximal (up to A handbook of far-infrared (submillimeter) laser technology is presented. Among the specific laser systems described are: 12CH3F and 13CH3F lasers; submillimeter lasers in dueuterated methyl fluoride CD3F; and far-infrared laser lines obtained by optical pumping.

Consideration is given to other far-infrared laser media, including: methyl iodide; CH3OH; D2O; and fluorocar CF2C The reinvestigation of 13CD3OH, 13CD3OD, CD3CN, and 13CD3I as far-infrared lasing media has been performed with an optically pumped molecular laser system utilizing a transverse pumping geometry.

Optically Pumped Semiconductor Laser. OPSL Advantages. and Benefits SHG BRF OPS1 OPS2 THG Example of a Multichip Cavity Design. Inherent Reliability: Efficient and simple, pumping of the semiconductor gain medium is another advantage over other diode-pumped laser types.

Specifically, the pump wavelength merely needs to be shorter than the band. High power optically pumped far infrared laser systems.A three-laser heterodyne system was used to measure the frequencies of eleven previously observed optically pumped far-infrared (FIR) laser emissions generated by the CHD2OH methanol isotope.

These newly measured frequencies have fractional uncertainties of ± 2 × and correspond to laser wavelengths ranging from to μm. The.Experiments and theory regarding the emission processes in optically pumped far infrared laser sources are reported.

Super-radiance from CH3F at micrometers in the homogeneously broadened regime has been identified for the first time.

Stimulated Raman emission on pure rotational transitions in D2O at 50 and 66 micrometers has also been identified for the first time.