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Tuesday, July 21, 2020 | History

2 edition of Frequency tunable picosecond pulses. found in the catalog.

Frequency tunable picosecond pulses.

Eugene Gerard Arthurs

Frequency tunable picosecond pulses.

by Eugene Gerard Arthurs

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  • 7 Currently reading

Published .
Written in English


Edition Notes

Thesis (Ph. D.)--The Queens" University of Belfast, 1972.

The Physical Object
Pagination1 v
ID Numbers
Open LibraryOL21529963M

Tunable Zero-Order Wave Plates. Tuning ranges: - nm & 1 - 19 µm; PULSELAS®-A Series CW Single Frequency DPSS Lasers: MONOPOWER™ Series Extremely Compact Blue High-Power Laser Diode OEM Modules: LDF Series Picosecond Pulse Diode Lasers with Driver. Picosecond blue light pulse generation by frequency doubling of a gain-switched GaAlAs laser diode in a proton-exchanged MgO:LiNbO{sub 3} waveguide is reported. High-peak fundamental pulse power of W is obtained by employing a laser diode with saturable absorbers. Blue light pulse of mW.

Single picosecond pulses of a Nd:glass laser are used in a single‐pass generator to produce intense ultrashort infrared pulses. Starting from quantum noise, stimulated three‐photon parametric amplification over ∼12 orders of magnitude is achieved in a LiNbO 3 crystal at a pump intensity of 10 10 W/cm r tuning provides a frequency range of – cm −1. Search within book. Front Matter. Pages I-XII. PDF. Interactions in Liquids and Molecules. Front Matter. Pages PDF. Dynamic Spectroscopy of Polyatomic Molecules with Tunable Picosecond Pulses. W. Kaiser, A. Seilmeier, A. Laubereau. Pages A New Technique for Measurement of Raman Dephasing Dynamics and Recent Advances in cw Mode-Locked.

@article{osti_, title = {Real-time measurement of picosecond optical pulses from an InGaAsP diode laser using an ultrafast streak camera with infrared frequency up-conversion}, author = {Onodera, N and Ito, H and Inaba, H}, abstractNote = {A novel method for real-time measurement of ultrashort optical pulses generated from InGaAsP diode lasers at the wavelength of mu..m has been.   We have developed a new system to generate GHz repetition rate tunable pulses in the picosecond regime at any wavelength by using self-phase-locked stimulated Brillouin scattering (SBS). The phase-locked comb at any required wavelength is generated using a single length of fiber in a ring cavity, seeded by an amplified single frequency CW pump.


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Frequency tunable picosecond pulses by Eugene Gerard Arthurs Download PDF EPUB FB2

Part of the Lecture Notes in Physics book series (LNP, volume 43) Abstract The production of tunable-frequency sub-picosecond pulses by transient stimulated Raman scattering and the extension of electron-optical chronoscopy to subpicosecond time resolution and to XUV and X-ray wavelengths are by: 1.

Using a picosecond BBO optical parametric oscillator, coherent far-infrared (FIR) pulses continuously tunable from 50– μm with less than 35 ps pulse duration and a peak power of up to several kilowatt were generated by noncollinear phase-matched difference frequency mixing in LiNbO wavelength dependence of the far-infrared energy is discussed in terms of the wavelength Cited by: 5.

Nonlinear frequency conversion in crystals is, in principle, a well suited method to generate tunable pulses in this wavelength range. In particular, frequency conversion of cw modelocked Ti: A radiation is a very efficient way to generate tunable picosecond pulses in Frequency tunable picosecond pulses.

book deep blue, uv and even vuv spectral by: Sum frequency mixing of the fundamental and third harmonic radiation of a cw modelocked Ti: sapphire laser leads to tunable picosecond pulses down to a wavelength of Cited by: We propose what is, to our knowledge, a novel method of generating tunable narrow-bandwidth picosecond pulses in which the chirp of equally stretched pump and signal is canceled by difference-frequency mixing.

The effect of the group-velocity mismatch on the output pulse bandwidth is analyzed. The method is proved experimentally by generation of pulses of cm-1 bandwidth and ps Cited by: Abstract.

Titanium doped sapphire (Ti:Al 2 O 3) lasers have turned out to be efficient, reliable tunable laser systems in the visible and near infrared spectral region[l,2].Due to their large gain bandwidth they can produce transform limited mode locked pulses with sub-picosecond pulselength and considerable peak power[3–7].

A compact picosecond all-room-temperature orange-to-red tunable laser source in the spectral region between and nm is demonstrated. The tunable radiation is obtained by second-harmonic generation in a periodically poled potassium titanyl phosphate (PPKTP) multimode waveguide using a tunable quantum-dot external-cavity mode-locked laser.

We demonstrate the use of a transient polarization grating induced by two femtosecond laser pulses propagating in a LiNbO3 crystal for the generation of frequency tunable, narrow-band, picosecond THz pulses.

Employing pump pulses with fs duration and 2 μJ energy, the generated THz pulse has an energy up to pJ, a pulse duration of 3 – 5 ps and a bandwidth of THz.

A common picosecond pulsed laser source for pumping the OPO systems is made out of a pulsed Nd:YAG laser, where picosecond pulses can be produced by combining active and passive mode locking.

A recent passive mode-locking technique based on a frequency doubling nonlinear mirror (FDNLM) combined with passive-negative feedback was achieved by our. A comparative study of picosecond mid-IR difference frequency generation in a wide wavelength range of µm in a simple down-converter based on the 8-mm long, high-damage-threshold crystals of LiGaS2 or LiGaSe2 under the 5-mJ, ps, µm Nd:YAG laser pumping and the single-pass crystalline (CaCO3, BaWO4, CVD-diamond) Raman laser seeding was presented.

10. The sum-frequency is tunable in spectral regions of negative dispersion between and A. The maximum VUV pulse power exceeds 20 W (5 x 10/sup 10/ photons/pulse). VUV light pulses with up to 60 W ( x 10/sup 11/ photons/pulses) are provided by the difference-frequency at wavelengthsmore».

Intense picosecond light pulses of 15 ps duration and a frequency difference between 0 and cm ~1 have been generated. Experimental The experimental setup of the time-synchronized, frequency tunable double-pulse laser is shown in fig. The system consists of two laser branches with a common antiresonant ring.

The resonator branches. PICOSECOND OPTICAL PULSE GENERATOR Specificationsa Wavelength Tuning Range - nm Pulse Width ( nm, 10 GHz) ≤3 ps Repetition Rate Tuning Range (Ext. Clock)b - GHz Average Output Power ( nm, Typical) 6 mW.

Tunable narrow linewidth picosecond pulses from frequency conversion is well established. However, this tech-nique is still difficult to use because of its complexity [11–13], aside from having low conversion efficiency, limited spectral bandwidth and tunability [14–17].

In this regard, high-power. Picosecond Phenomena III Search within book. Front Matter. Pages I-XIII.

PDF. Advances in the Generation of Ultrashort Light Pulses. Front Matter. Pages PDF. Moving from the Picosecond to the Femtosecond Time Regime.

Shank, R. Fork, R. Yen. Pages Frequency-tunable pulses between and nm are generated with a picosecond ruby laser pump source. The amplification of spontaneous emission and of seeding pulses in the generator and.

The result is a pulse with a very sharp raising time and a slower falling time, with a typical duration of 1 to ns. The pulse duration depends on several parameters: the type of gain medium and how much energy it can store, the cavity length, the repetition rate of the pulses and the pump energy, to mention the most important ones.

This experiment requires tunable radiation in the region of nm. Several methods have been developed in recent years for the generation of light at this wavelength using intracavity frequency doubling or sum frequency mixing of single frequency lasers.

We have developed a new method for the generation of a picosecond pulse train at nm. The system provides a powerful tool for future research in picosecond high excitation and nonlinear processes.

2) A synchronously operating streak camera system was constructed for use with an actively mode-locked R6G dye laser producing tunable picosecond pulses at a repetition rate of 82 MHz.

Generation, tuning, and shaping of narrow-band, picosecond THz pulses by two-beam excitation. Stepanov A, Hebling J, Kuhl J. We demonstrate the use of a transient polarization grating induced by two femtosecond laser pulses propagating in a LiNbO3 crystal for the generation of frequency tunable, narrow-band, picosecond THz pulses.

Thesis/Dissertation: I. Generation of far-infrared radiation by optical rectification of picosecond light pulses and by mixing of two tunable dye lasers. II. Theoretical study of coherent phonon generation by optical means in a one-dimensional superlattice. Then, based on our numerical results, we further experimentally demonstrate the stable generation of nm passively mode-locked pulses with a tunable picosecond duration, a radio-frequency.to generate high repetition rate, wavelength-tunable picosecond optical pulses [1]–[9].

Conventionally, wavelength tuning in HMLFRLs is realized by changing the center wavelength of a tunable filter inserted in the cavity [2]–[5].

However, the modulation frequency has to be adjusted simultaneously in.