Effect of longitudinal flow velocity on the emission spectrum of CO2 lasers

Biswas, D. J.; Nilaya, Padma; Sehgal, S. K.; Chatterjee, U. K.
July 1994
Journal of Applied Physics;7/15/1994, Vol. 76 Issue 2, p1340
Academic Journal
Reports on the role of the velocity of flow in the longitudinal direction in determining the rotational emission spectrum of carbon dioxide lasers. Illustration of the fast flow laser; Transmission of the output mirror as a function of wave number; Data on the stationary electric-field wave patterns inside an optical Fabry-Pérot cavity for several resonating wavelengths.


Related Articles

  • Microcavity effects and optically pumped lasing in single conjugated polymer nanowires. O'Carroll, Deirdre; Lieberwirth, Ingo; Redmond, Gareth // Nature Nanotechnology;Mar2007, Vol. 2 Issue 3, p180 

    Conjugated polymers have chemically tuneable opto-electronic properties and are easily processed, making them attractive materials for photonics applications. Conjugated polymer lasers, in a variety of resonator geometries such as microcavity, micro-ring, distributed feedback and photonic...

  • Quantum cascade laser intracavity absorption spectrometer for trace gas sensing. Muraviev, A. V.; Maukonen, D. E.; Fredricksen, C. J.; Medhi, Gautam; Peale, R. E. // Applied Physics Letters;8/26/2013, Vol. 103 Issue 9, p091111 

    A mid-infrared intracavity laser absorption spectrometer for trace gas sensing is demonstrated. An external-cavity multi-mode quantum cascade laser with central wavelength 8.0 μm was combined with a scanning Fabry-Perot interferometer, which analyzed the change of the laser emission spectrum...

  • Control of long-term output frequency drift in commercial dye lasers. Lindsay, B. G.; Smith, K. A.; Dunning, F. B. // Review of Scientific Instruments;Jun91, Vol. 62 Issue 6, p1656 

    A simple technique using a scanning confocal Fabry-Perot etalon and a stabilized helium-neon laser is described that can be used to correct the long-term drift in output frequency of actively stabilized commercial dye lasers. Using this technique the long-term drift in the ultraviolet output...

  • Limitations and guidelines for measuring the spectral width of ultrashort light pulses with a scanning Fabry-Pérot interferometer. Marzenell, S.; Beigang, R.; Wallenstein, R. // Applied Physics B: Lasers & Optics;2000, Vol. 71 Issue 2, p185 

    Abstract. The measurement of the spectral width of ultra-short light pulses using a Fabry-Perot interferometer (FPI) is investigated. It is shown, numerically and experimentally ,that the measured width critically depends on the pulse prop-erties (such as pulse shape, pulse duration, frequency...

  • Optical transitions to above-barrier quasibound states in asymmetric semiconductor heterostructures. Henderson, Gregory N.; West, Lawrence C.; Gaylord, Thomas K.; Roberts, Charles W.; Glytsis, Elias N.; Asom, Moses T. // Applied Physics Letters;3/22/1993, Vol. 62 Issue 12, p1432 

    Examines semiconductor electron wave Fabry-Perot interference filter with two quasibound states for optical transitions. Absorption measurements at multiple temperature; Basis for room-temperature infrared semiconductor laser; Creation of large dipole matrix elements.

  • Interferometric detection of cross-phase modulation in CdS. Hirlimann, C.; Wassmuth, E. // Applied Physics Letters;8/22/1994, Vol. 65 Issue 8, p959 

    Uses short 130 femtosecond light pulses to measure the transmission change under a strong irradiation of a Fabry-Perot-like CdS sample. Deducement of a nonlinear index; Measurement of the index in a time shorter than the electronic relaxation time; Use of the experimental method to measure the...

  • Operation of five individual diode lasers as a coherent ensemble by fiber coupling into an.... Corcoran, C.J.; Rediker, R.H. // Applied Physics Letters;8/12/1991, Vol. 59 Issue 7, p759 

    Examines the coherent operation of five diode gain elements coupled into an external cavity. Measurement of the line-width within the resolution of Fabry-Perot spectrum analyzer; Dependence of the operation on the polarization of the inputs from the fibers; Feasibility of using fiber-coupled...

  • Co-lasing in an electrically tunable erbium-doped fiber laser. Dawson, Jay W.; Namkyoo Park // Applied Physics Letters;6/22/1992, Vol. 60 Issue 25, p3090 

    Demonstrates the simultaneous wavelength operation of an erbium-doped fiber ring laser with independent tunability. Examination of the different wavelength configurations; Configuration operation as shown in the supercavity Fabry-Perot interferometer; Superior tunability of aluminum codoped...

  • Method for accurate growth of vertical-cavity surface-emitting lasers. Chalmers, S.A.; Killeen, K.P. // Applied Physics Letters;3/15/1993, Vol. 62 Issue 11, p1182 

    Proposes a method for measuring the accurate growth of vertical-cavity surface-emitting lasers (VCSEL). Use of a single reflectivity spectrum in determining VCSEL structure; Compensatory mechanism for imprecisions in growth parameters; Use of Fabry-Perot cavity resonance wavelengths.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics