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Monday, November 9, 2020 | History

4 edition of Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz found in the catalog.

Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz

Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va .
Written in English

    Subjects:
  • Laser outputs,
  • Solid state lasers,
  • Q switched lasers,
  • Laser pumping

  • Edition Notes

    Other titlesDiode pumped long pulse length Ho:Tm:YLiF₄ laser at 10 Hz.
    StatementMahendra G. Jani ... [et al.].
    SeriesNASA-TM -- 111850., NASA technical memorandum -- 111850.
    ContributionsJani, Mahendra G., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17565243M
    OCLC/WorldCa39607545

    If we look around the relative intensity noise level at relatively large fluctuation frequency of Hz, we can see the value of Hz-1/2 is reduced to Hz-1/2 by about two orders. This result shows our stabilization system is able to carry out a function as a power controller. Air breakdown in clean air occurs at upwards of 10 10 W/cm 2, but in dirty air it can drop down to 10 8 W/cm 2 or so. Your cm spot size is cm 2, so the dirty air limit is around 10 7 W or 10J/microsecond. For clean air, the J pulses are likely not a problem.) This is a very interesting observation. General Interest, Rofin Baasel Lasertech Starcut Type SC ICQ-DK Laser Type I:Diode Pumped YAG Laser Rated Power(watts)70 watts System Input Power I VAC 3 phase 50Hz(can use w/ 60 Hz) Laser Actual Power(watts)70+ watts Laser Cooling:Water Laser Output Characteristics:CW& Pulsed(q-switched) nm wavelength Dual galvo system mm galvo.


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Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz Download PDF EPUB FB2

Get this from a library. Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz. [Mahendra G Jani; United States. National Aeronautics and Space Administration.;]. The laser diode was operating in the pulsed regime (6 ms pulse length, 10 Hz repetition rate).

The duty-cycle 6% ensures a low thermal load even under the maximum diode pumping power amplitude 25W. A diode-pumped Nd:glass PW laser designed to operate at 10 Hz is under development, and has demonstrated 16 J pulses before compression at Hz repetition rate, 53 W average power.

Here we report the demonstration of a PW-class laser designed to operate at repetition rates of up to 5 Hz based on Nd:glass slab amplifiers that is currently.

The latest generation of high-energy-class pulsed laser facilities, under construction or planned, such as EuPRAXIA, require reliable pump sources with high power (many kW), brightness (>1 MW/cm2/sr) and electro-optical conversion efficiency (>50%). These new facilities will be operated at high repetition rates (around Hz) and only diode Diode-pumped long-pulse-length Ho:Tm:YLiF₄ laser at 10 Hz book are capable of Author: Marko Hübner, Ingo Will, Jörg Körner, Jürgen Reiter, Mathias Lenski, Johannes Tümmler, Joachim Hein.

The aim of work was to characterize a simple oscillator consisted of Tm:YLF crystal end-pumped by a fiber coupled diode laser and active Q-switch with tunability option. About 7 W with near 35% slope efficiency was demonstrated in a free-running mode.

The divergence angle was about mrad and estimated parameter M2 < Continuous tuning Cited by: 7. By operating the laser at much higher pulse repetition rate (PRR = 1 kHz), the average transmitted power (1 W) is maintained at the same level as that of the bigger laser ( mJ, 10 Hz, 1 W), despite the much smaller laser energy output (1 mJ) per by: 8.

A diode-pumped Q-switched Nd:YLF laser at nm and a home-made fiber-laser-pumped Ho:YAG laser at nm were used as the pump sources [6]. The Nd:YLF laser had the ns pulse duration and Author: Oleg Antipov. Abstract. The aim of work was to characterize a simple oscillator consisted of Tm:YLF crystal end-pumped by a fiber coupled diode laser and active Q-switch with tunability by: 7.

PROCEEDINGS VOLUME High-Power, High-Energy, and High-Intensity Laser Technology II DiPOLE A J, 10 Hz DPSSL using cryogenic gas cooled Yb:YAG multi slab amplifier technology Investigation of Yb3+-doped alumino-silicate glasses for high energy class diode pumped solid state lasers.

PROCEEDINGS VOLUME Solid State Lasers and Amplifiers. Editor(s): Alphan Sennaroglu High-power CW diode-pumped laser operation of Yb 3+:CaF 2 crystal Author(s): 1-J Hz MOPA solid state laser pumped by diodes Author(s).

The input and output energy of pulse-diode-intermittent-pumped 2-µm acousto-optically Q-switched Tm:YAG laser is measured by an energy meter (30A-BB, Co. Ophir). The output frequency of laser is Hz when the operating frequency of each crystal is : Chunting Wu, Yan Jiang, Chao Wang, Xinyu Chen, Yongji Yu, Guangyong Jin.

Kerr-lens mode locking of a high-power diode-pumped Yb:KGW laser Reza Akbari ; Arkady Major Proc. SPIESolid State Lasers XXVI: Technology and Devices, D (17 February ); doi: / 2. Characteristics of the TIPC Pulsed Laser. The laser used for these tests was the TIPC prototype #2.

Figure 1 shows the light path and main components and some principal design parameters are listed in Table laser employs two diode-pumped solid-state Nd:YAG pulsed lasers operating at nm and nm wavelength. The beams are combined in a sum Cited by: 1.

to Bolded publications signify peer review while the non bolded signify conference. “Diode Pumped Long Pulse Length Ho:Tm:YLiF4 Laser At 10 Hz * “Diode Pumped Long Pulse Length Ho:Tm:YLiF 4 Laser At 10 Hz“. KEYWORDS: Continuous wave operation, Iron, Energy transfer, Crystals, Ions, Zinc, Chromium, Laser crystals, Optical pumping, Pulsed laser operation.

Read Abstract +. Specifically we determine the dynamic focal length of a flashlamp-pumped Cr, Tm, Ho:YAG laser rod for repetition rates of 4–7 Hz. Using this technique, we show that the lensing characteristics of flashlamp-pumped Cr, Tm, Ho:YAG differ depending on whether the entire rod volume is used (i.e.

no aperture in the cavity) or if a central mode Cited by:   Introduction. More than 30 years have passed since laser lithotripsy became a reality ().It quickly found widespread acceptance among urologists in the late s (), and in less than 10 years, the Holmium:yttrium-aluminum-garnet laser (Ho:YAG) rapidly became the gold-standard for endoscopic laser lithotripsy (), remaining the uncontested reference in Cited by: 2.

Laser-diode pumped dysprosium-doped lead thiogallate laser output wavelength temporal evolution and tuning possibilities at um Helena Jelínková, Maxim Doroshenko, Jan Šulc, Michal Němec, Michal Jelínek, Vjatcheslav Osiko, Valerii Badikov, Dmitri Badikov. [14] P. Cerny and D. Burns: Modelling and experimental investigation of a diode pumped Tm:YalO3 laser in a- and b-cut orientation.

IEEE J. Sel. Top. Quant. 11,[15] S. Laser pulse repetition rate. The diode-pumped TFL also enables more flexibility in laser operating parameters than flashlamp-pumped, solid-state lasers. For example, the low-power Holmium laser is limited to operation at pulse rates less than about 30 Hz, due to thermal effects in the laser rod.

The vast majority of white light from the Cited by: This book is designed to be of benefit to novice and experienced practitioners alike. In addition to providing expert guidance on the use of lasers and IPL devices in more than 80 clinical indications, it examines the role of new techniques such as laser lipolysis and fractional photothermolysis and includes sufficient information to assist the.

With the Yb: YAG ceramics, a MJ, 16 Hz diode-pumped laser system could be envisioned, which was applied to a laser fusion plant design KOYO-F. The plant had 4 modular reactors driven by a MJ compression laser and a MJ heating laser operated at ~16 Hz, producing a total electric power of by: 2.

The first airborne wind measurements of a pulsed, 2-μm solid-state, high-energy, wind-profiling lidar system for airborne measurements are laser pulse energy is the highest to date in an eye-safe airborne wind lidar system. This energy, the Hz laser pulse rate, the cm receiver diameter, and dual-balanced coherent detection together have the Cited by:   The experiment was performed at the Lund High-Power Laser Facility, with a 10 Hz Ti:Sa laser system, delivering pulse energies up to 1 J with duration down to 40 fs.

For our experiment, we used at most 25 mJ in fs pulse by: USA US09/, USA USA US A US A US A US A US A US A US A US A US A Authority US United StCited by: E Petawatt-Class Lasers Summary.

This appendix summarizes the state of petawatt-class lasers around the world and is a provided as an informative supplement to Chapter APPENDIX E1 ND:GLASS PETAWATT-CLASS LASERS.

As the TFL uses electronically-modulated laser diodes, it offers the most comprehensive and flexible range of laser parameters among laser lithotripters, with pulse frequencies up to 2, Hz, very low to very high pulse energies (–6 J), short to very long-pulse durations ( µs up to 12 ms), and a total power level up to 55 by: 2.

Heat Dissipation from Laser Head (W)25 Laser Head Dimensions (L x W x H) x x mm ( x x in.) Beam Height mm ( in.) Umbilical Length3m ( ft.) Laser Head Weight kg ( lbs.) Power Supply Weight kg ( lbs.) 1 Based on pulse measurements made using FC Spider (APE GmbH).

2 Measured from 10 Hz to. Diode-pumped 45 fs Yb:CALGO laser oscillator with MW of peak power Opt. Lett. 43, (). Phase-shift-amplified interferometry Opt. Lett. 43, (). April () New book series in Coherent Sources and Applications by IoP Publishing (London). You can write a book review and share your experiences.

Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them.

A diode pumped Nd:glass laser, HAPLS laser, (see Chapter 6), in liquid or gas cooling of glass disks will increase the pulse rate to 1/minute with flashlamp pumping and to the Hz region with diode pumping. The latter also facilitates an increase in conversion of pump light from the percent possible with flashlamps to about 20 percent.

Installation of a gas nozzle in Thomas Moellers target chamber. The gas density should be cm-3 and the repetition rate 10 Hz.

Installation of a thin Al window between beam line and target chamber. Window thickness (1 m. The window should. A simultaneously super pulsed Q-switched CO 2 laser system for material processing is disclosed. The system comprises sealed-off folded waveguides with folded mirrors that are thin film coated to select the output wavelength of the laser.

The system also comprises a plurality of reflective devices defining a cavity; a gain medium positioned within the cavity for generating a laser Cited by: The workhorse by far is still Nd:YAG with Nd:YVO 4 becoming increasingly important for low to medium power (up to a few watts) 1, nm and frequency doubled nm (green) diode pumped solid state lasers.

Power Output - Pulsed and CW Solid state lasers can be pulsed, CW (Continuous Wave), or quasi-CW. KEYWORDS: Refractive index, Capillaries, Particles, Solids, Ionization, Extreme ultraviolet, Aluminum, Plasma generation, Pulsed laser operation, Plasma Read Abstract + Argon based capillary discharge lasers operate in the extreme ultra violet (EUV) at nm with an output of up to mJ energy per pulse and up to a 10 Hz repetition rate.

Taking into account typical values for the absorption coefficients of the species to be measured (e.g., for ethylene at concentrations in the range 1 ppbV ppmV, c 3xx cm-1) and CO 2 Laser Photoacoustic Spectroscopy: I. Principles 11 usual lengths of the PA cells (30 cm), the fractional absorption is very small (), which.

than 10 MW by In fact, a laser-driven accelerator useful for particle physics studies at the TeV energy scale would require a laser average power of 10 MW per kilometer of accelerator. Further, the laser would be mode locked and optically phased along the accelerator structure.

It would need to operate at greater than 30% electrical. Full text of "Technical digest - symposium on optical fiber measurements, " See other formats. Audio Books & Poetry Community Audio Computers, Technology and Science Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion Librivox Free Audiobook Technology Outlook for New Zealand Tertiary Education Brea United Church of Christ Sermons Awkward Person Black Guy & A Jew Chinese Speech Contest - @article{osti_, title = {An active solid state ring laser gyroscope}, author = {Valle, T.J.}, abstractNote = {The properties of an active, solid state ring laser gyroscope were investigated.

Two laser diode pumped monolithic nonplanar ring oscillators (NPRO), forced to lase in opposite directions, formed the NPRO-Gyro. WORKSHOP CONTENTS 3 These are the Proceedings of the Tenth Annual university-wide seminar WORKSHOP which took place at the Czech Technical University in Prague from 10th to 12th February, The aim of the seminar is to present and discuss the latest results obtained by researchersFile Size: 10MB.Name Symbol Factor yocto y zepto z atto a femto f pico p nano n micro u milli m centi c deci d deka da 10 1 hecto h 10 2 kilo k 10 3 mega M 10 6 giga G 10 9 tera T 10 12 peta P 10 15 exa E 10 18 zetta Z 10 21 yotta Y 10 It is clear that the laser whose amplifying medium presents the broadest emission band will emit the shortest pulses.

An ionizedargon laser has a bandwidth of Δω0 ∼ × 10−2 nm; for a ruby laser Δω0 ∼ nm, for a Nd3+ /YAG laser Δω0 ∼ 10 nm, for a dye laser Δω0 ∼ nm and for a Ti:sapphire laser Δω0 ∼ nm.