I. A. McIntyre

University of Illinois System

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K. Boyer

University of Illinois Chicago

A. McPherson

Sandia National Laboratories

C. K. Rhodes

Rocky Mountain Research Station

Hernán Jara

University of Tennessee Health Science Center

T. S. Luk

Center for Integrated Nanotechnologies

Ulrich Johann

Airbus (Germany)

A. P. Schwarzenbach

Alpes Lasers (Switzerland)

O. Zucker

Polarix (United States)

Ting S. Luk

Sandia National Laboratories

R. Rosman

Shell (United Kingdom)

Cooperative Institutions

University of Illinois Chicago

University of Nottingham

University of Glasgow

University of Tsukuba

Sandia National Laboratories California

National Technical Information Service

Energy Research Company (United States)

Lawrence Livermore National Laboratory

University of Illinois Urbana-Champaign

University of St Andrews

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Laser electro-optic modulation controlled by photoconductive switches

Conference on Lasers and Electro-Optics (1993)

O. Zucker I. A. McIntyre Paul J. Solone David E. Hargis

The generation oi kilovolt electrical signals by photoconductive switches (PCS) is a well established technique.1 In addition to being compact, the advantages of the PCS over more conventional switches include faster speeds, lower jitter, and, in certain cases, higher repetition rates. PCSs have previously been employed in the activation of Pockels cells2 for gating and for shaping laser pulses.3 However, PCSs have not been widely used for controlling intracavity Pockels cells. In this paper, we describe the use of a Pockels cell that is controlled by two PCSs and report on experiments that demonstrate the flexibility resulting from the use of more than one PCS. The switches used for this experiment were high voltage silicon junctions operating in the linear mode in a low impedance (few Ω) unmatched transmission line structure.

Pockels effect

Modulation (music)

Photoconductivity

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Electron Beam Lithography and Dry Etching Techniques for the Fabrication of Quantum Wires in GaAs and AlGaAs Epilayer Systems

Springer series in solid-state sciences (1988)

S. P. Beaumont C.D.W. Wilkinson S. Thoms Rebecca Cheung I. A. McIntyre

Dry etching

Quantum wire

10.1007/978-3-642-83431-8_2

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Citations (1)

Nanostructure Physics and Fabrication, (Proceedings of the International Conference on Nanostructure Physics and Fabrication), edited by M. A. Reed and W. P. Kirk (Academic Press, San Diego, 1989)

S.P. Beaumont C. D. W. Wilkinson S. Thoms Rebecca Cheung I. A. McIntyre

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Multiphoton Excitation and Ionization of Atoms

Hernán Jara Ulrich Johann T. S. Luk I. A. McIntyre A. McPherson

It has been conjectured that atomic motions fundamentally different from those presently observed may be driven under extreme conditions of irradiation. Indeed, it has been suggested 1-4 that ordered many-electron motions of outer-shell electrons could lead to enhanced rates of coupling from the radiation field to an atom. In order to study the conditions necessary for new atomic responses to occur and to determine the influence of possible damping mechanisms, the properties of ion charge state distributions, 5 electron energy spectra, 6 and harmonic radiation 7 produced by irradiation of atoms with ultra-violet radiation with different pulse lengths, wavelengths, and intensities have been investigated.

Energetic neutral atom

Electron excitation

10.1364/mea.1986.wa1

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Tunable hybrid mode-locked dye laser operating in the range 735–760 nm

Optics Communications (1988)

I. A. McIntyre K. Boyer C. K. Rhodes

Rhodamine

10.1016/0030-4018(88)90386-0

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Citations (3)

Transmitters

CRC Press eBooks (2020)

D. Platts O. Zucker I. A. McIntyre

The problem is to identify the unique requirements for an application and to build a pulsed power supply as a high power transmitter component. In general, ultra-wideband (UWB) power supplies must produce shorter pulses at higher voltages than are produced by conventional narrowband radar power supplies. This chapter surveys some useful pulsed power techniques for supplying high voltage in UWB radar transmitters. In UWB impulse radars, the power supply output is applied directly to the antenna with perhaps an intermediate stage to sharpen the pulse. The voltage required starts in the thousands of volts and ranges up to many megavolts. The effects of physical size and the speed of light in short pulse circuits are significant in many aspects of UWB impulse radar work. The subject of magnetic switching is often mentioned in pulsed power work. This is actually a pulse- sharpening technique that is used with another type of primary switch.

10.1201/9781003068112-7

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Limiting cross sections for multiphoton coupling

Revue de Physique Appliquée (1987)

K. Boyer Hernán Jara T. S. Luk I. A. McIntyre A. McPherson

published or not.The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

Limiting

10.1051/rphysap:0198700220120179300

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Citations (14)

Prometheus: An Ultra-intense KrF Laser System

I. A. McIntyre Ting S. Luk Xueting Pan K. Boyer C. K. Rhodes

10.1109/leos.1988.689801

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<title>Photoconductive switch control of optical devices</title>

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (1993)

O. Zucker I. A. McIntyre Paul J. Solone Kendall W. Cardwell David E. Hargis

We report on the application of new electro-optic modulators which are controlled by photoconductive switches. Various configurations of modulator are presented and are applied to several applications. Experimental results are presented in which a photoconductively controlled modulator is used to Q-switch and cavity dump a Nd:YAG laser, utilizing only a single external trigger. The same modulator is also used to Q-switch, mode-lock and cavity dump the same laser. The use of the modulator results in a single laser being able to generate pulses in three duration ranges, i.e., approximately 20 ns, approximately 2 ns and approximately 70 ps. A similar modulator is used to suppress the pre-pulse generated by a regenerative amplifier and help attain a 105 contrast ratio between signal and pre-pulse. Other modulators and applications are presented, including an approximately 30 ps Pockels cell for use as an optical gate.© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Pockels effect

Optical engineering

Modulation (music)

Contrast ratio

Pulse duration

SIGNAL (programming language)

10.1117/12.146551

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Citations (1)

Discussion of Limiting Deposition Power Densities in Laser Target Materials

Springer eBooks (1988)

A. McPherson K. Boyer Hernán Jara T. S. Luk I. A. McIntyre