Direct modulation of a Nd:YAG laser by combined side and end laser diode pumping

Berger, Josef; Harnagel, Gary; Welch, David F.; Scifres, Don R.; Streifer, William
July 1988
Applied Physics Letters;7/25/1988, Vol. 53 Issue 4, p268
Academic Journal
A Nd:YAG laser was directly amplitude modulated by using a combination of pulsed side and cw end diode pumping. The scheme suppressed relaxation oscillations, reduced pulse delays, increased pulse energy, and avoided higher order transverse mode operation.


Related Articles

  • Flux-grown Nd:YAG crystals make high-power microcavity laser. Hobbs, Jerry R. // Laser Focus World;Dec94, Vol. 30 Issue 12, p28 

    Reports on the single-frequency output power of 210 mW on 1.319 micrometers transition from flux-grown monolithic Nd-YAG crystal lasers. Performance of neodymium (Nd)-doped microcavity lasers; Variations of crystal temperature and pump power.

  • Beam stabilization improves Nd:YAG laser performance.  // Laser Focus World;Apr97, Vol. 33 Issue 4, p13 

    Focuses on the Spectra-Physics Lasers' BeamLok accessory which makes possible active beam stabilization for Nd:YAG lasers. Description of the device; Challenges in developing the device; Comment by Adrian Rowland of Spectra-Physics Lasers.

  • Periodically poled KTP efficiently frequency-doubles external-cavity Nd:YAG laser.  // Laser Focus World;May97, Vol. 33 Issue 5, p9 

    Reports that researchers from Soreq NRC and Tel Aviv University, Israel, have realized close to 70 percent efficiency in a single-pass, external-cavity, frequency-doubled Nd:YAG laser. Average output power; Conversion efficiency.

  • Laser-diode-pumped Cr[sup 4+] , Nd[sup 3+] :YAG self-Q-switched laser with high repetition rate and high stability. Hong, Z.; Zheng, H.; Chen, J.; Ge, J. // Applied Physics B: Lasers & Optics;2001, Vol. 73 Issue 3, p205 

    A diode end-pumped self Q-switched Cr[sup 4+] , Nd[sup 3+] : YAG laser was established with 30-ns pulse width (FWHM) and 0.5-μJ pulse energy output. In normal pulse pumping operation, the lasing threshold changed greatly from 122 mJ to 2.4 mJ as the pump pulse frequency varied from 1 Hz to...

  • Manufacturing breakthroughs made in YAG microchip lasers.  // Electronic Design;05/01/97, Vol. 45 Issue 9, p28 

    Reports on advances in the manufacturing process of yttrium-aluminum-garnet (YAG) microlasers. Production process for the microchip; Polishing of the rear face to eliminate deposits; Use of laser diode for pumping the microlaser.

  • High power, high efficient neodymium:yttrium aluminum garnet laser end pumped by a laser diode array. Berger, Josef; Welch, David F.; Scifres, Don R.; Streifer, William; Cross, Peter S. // Applied Physics Letters;10/19/1987, Vol. 51 Issue 16, p1212 

    We report the highest electrical to optical conversion efficiency, 10.8%, at 415 mW cw, 1.06 μm, from a neodymium:yttrium aluminum garnet end pumped by a monolithic, 200-μm-wide laser diode array. The highest cw output powers up to 465 mW are achieved. The beam profile is TEM00 at all...

  • Mode-locked and Q-switched operation of a diode laser pumped Nd:YAG laser operating at 1.064 μm. Maker, G. T.; Keen, S. J.; Ferguson, A. I. // Applied Physics Letters;10/31/1988, Vol. 53 Issue 18, p1675 

    We describe the performance of a mode-locked and Q-switched Nd:YAG laser operating at 1.064 μm, optically pumped by a 500 mW diode laser. The cw mode-locked system provides bandwidth-limited pulses of 55 ps duration, with a corresponding peak power of 3.3 W. When Q-switched the energy within...

  • Spatio-temporal coupling of laser fluctuations � Observations on a laser with internal frequency conversion. Laeri, F.G.; Deutsch, N.; Angelow, G.; M�ller, M.; Sakowski, H. // Applied Physics B: Lasers & Optics;1996, Vol. 63 Issue 4, p339 

    .The amplitude of standing wave solid state lasers with frequency conversion inside the resonator can become unstable. We investigated the amplitude fluctuations of an end-pumped Nd:YAG-laser at low pump rates (below 160% threshold pump power) and also above. Detecting the individual mode...

  • High-power diode-pumped nonlinear mirror mode-locked Nd:YVO[sub 4] laser with periodically-poled KTP. Chen, Y.F.; Tsai, S.W.; Wang, S.C. // Applied Physics B: Lasers & Optics;2001, Vol. 72 Issue 4, p395 

    Abstract. We demonstrate a high-power nonlinear mirror (NLM) mode-locked Nd:YVO[sub 4] laser with a periodically poled KTP (PPKTP). With a 10-mm-long PPKTP crystal, 5.6 W of average power with 20-ps of pulse duration was generated at 18-W of pump power. Compared with conventional type-II KTP...


Read the Article


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

Try another library?
Sign out of this library

Other Topics