TITLE

Indigenous development of a 2 kW RF-excited fast axial flow CO laser

AUTHOR(S)
Biswas, A.; Bhagat, M.; Rana, L.; Verma, A.; Kukreja, L.
PUB. DATE
November 2010
SOURCE
Pramana: Journal of Physics;Nov2010, Vol. 75 Issue 5, p907
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
RF-excited fast axial flow CO lasers in kilowatt regime are presently being used for various new scientific applications in addition to laser material processing because of its versatility and superior beam quality. We have indigenously developed a compact 2 kW RF-excited fast axial flow CO laser with moderate beam quality. In this paper the key design features of the laser and the associated high power capacitively coupled RF excitation technique are discussed in detail. Operational characteristics of this system are described along with the experimental findings.
ACCESSION #
55511479

 

Related Articles

  • State selective doubly enhanced sum-frequency mixing in CO. Merkt, F.; Softley, T. P. // Journal of Chemical Physics;8/1/1990, Vol. 93 Issue 3, p1540 

    Doubly enhanced sum-frequency mixing (DESMI) of two collinear laser beams is studied using a pulsed jet of carbon monoxide as the nonlinear medium. The pump laser frequency (ω1) is in two-photon resonance with a selected rotational component of the A1Π–X1Σ+ (5,0) transition....

  • Experimental study on operation at room temperature of transverse flow carbon monoxide laser.... Uehara, Minoru; Kanazawa, Hirotaka // Applied Physics Letters;7/4/1994, Vol. 65 Issue 1, p22 

    Develops a high output and high conversion efficiency transverse flow carbon monoxide (CO) laser for operation at room temperature. Effects of the adoption of radio frequency discharge for excitation; Factors affecting laser output; Comparison between CO[sub 2] lasers and CO; Key kinetic...

  • High power gasdynamically cooled carbon monoxide laser.  // Applied Physics Letters;7/19/1993, Vol. 63 Issue 3, p287 

    Demonstrates the excitation of a gasdynamically cooled supersonic carbon monoxide laser. Application of capacitively coupled transverse radio frequency discharge on the laser; Importance of carbon monoxide lasers for laser material processing; Characterization of the laser head by compact...

  • Optimization of operating conditions for a fast-axial-flow, radio frequency discharge-excited, room-temperature CO laser. Shimizu, Kouki; Taniwaki, Manabu; Sato, Shunichi; Nagano, Hiroshi; Maeno, Kazuo // Review of Scientific Instruments;May2000, Vol. 71 Issue 5 

    To optimize the operating conditions of a fast-axial-flow, rf discharge-excited, room-temperature CO laser, we have investigated the effects of the excitation rf frequency, the diameter of the discharge tube, and the contents of added gases and impurities in the laser gas. The laser output...

  • Numerical simulation of impurity desorption induced by nanosecond and femtosecond laser pulses. Yinsheng Chi; Xiaohui Lin; Minhua Chen; Yunfei Chen // Journal of Applied Physics;8/1/2006, Vol. 100 Issue 3, p034302 

    A model based on a stochastic process was developed to study the impurity molecule desorption from a substrate induced by nanosecond and femtosecond lasers. The dynamics of adsorbed molecules irradiated by the laser pulses can be considered to be a Brownian motion in the bath of excited energy...

  • High brightness slab waveguide carbon monoxide laser. Colley, A.D.; Villarreal, F. // Applied Physics Letters;5/30/1994, Vol. 64 Issue 22, p2916 

    Describes a near diffraction limited output from a slab waveguide carbon monoxide (CO) gain medium. Demonstration of a device producing a continuous wave output; Presentation of CO laser power scaling through the slab format using radio frequency excitation; Effect of large radii of curvature...

  • Diode-pumped lasers for ultra-high peak power. Siebold, M.; Hein, J.; Hornung, M.; Podleska, S.; Kaluza, M.C.; Bock, S.; Sauerbrey, R. // Applied Physics B: Lasers & Optics;Mar2008, Vol. 90 Issue 3/4, p431 

    The generation of the highest laser peak intensities at a high degree of system compactness can be achieved by combining modern diode-pump technologies with the chirped pulse amplification technique. In principle, the spectroscopic properties of the gain medium determine the scaling laws of both...

  • Generation of 13.9 µm radiation from CO by cascade lasing or externally applied CO laser. Nundy, Utpal // Pramana: Journal of Physics;Nov2010, Vol. 75 Issue 5, p895 

    13.9 µm radiation from the 100-010 transition can be obtained from a CO laser by saturating the 001-100, 10.6 µm transition with an internally generated q-switched pulse or by the application of an external 10.6 µm pulse. Because of Fermi resonance between the symmetric stretch and the...

  • Mid-infrared laser absorption spectrometers based upon all-diode laser difference frequency generation and a room temperature quantum cascade laser for the detection of CO, N2O and NO. Kasyutich, V. L.; Holdsworth, R. J.; Martin, P. A. // Applied Physics B: Lasers & Optics;Aug2008, Vol. 92 Issue 2, p271 

    We describe the performance of two mid-infrared laser spectrometers for carbon monoxide, nitrous oxide and nitric oxide detection. The first spectrometer for CO and N2O detection around 2203 cm-1 is based upon all-diode laser difference frequency generation (DFG) in a quasi-phase matched...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

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

Try another library?
Sign out of this library

Other Topics