Eigenpolarization theory of monolithic nonplanar ring oscillators

Nilsson, A.; Gustafson, E. K.; Byer, Robert L.

doi:10.1109/3.17343

Cited by 107 publications

(28 citation statements)

References 45 publications

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“…The beam shape distortion over temperature is characteristic of a resonator that is not perturbation stable. The motivation to look at non-planar ring resonators came from a paper on the monolithic non-planar ring oscillator 13 and a later paper on non-planar rings applied to parametric oscillators 14 .…”

Section: Application To High Energy Resonator Designmentioning

confidence: 99%

Laser manufacturing: strategies for dealing with the challenges

Barr¹

2012

SPIE Proceedings

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Laser manufacturing in Edinburgh was initiated in 1963 by Ferranti (one of the previous names for SELEX Galileo). Since 2003 a modernized range of military lasers has been established. Innovation, both technical and in other aspects of the business, has enabled the design and manufacture of world leading laser designators and countermeasure lasers. Specific examples will be given including: the application of Geometric Algebra to resonator design; novel alignment free optical parametric oscillators; techniques for designing thermally insensitive laser diode pump heads; and methods for contamination control in lasers.

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Section: Application To High Energy Resonator Designmentioning

confidence: 99%

Laser manufacturing: strategies for dealing with the challenges

Barr¹

2012

SPIE Proceedings

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“…Their operation has been described in detail in [23][24][25]. The principle is readily described: In an NPRO, the laser crystal alone forms the resonator.…”

Section: Lasersmentioning

confidence: 99%

LISA, the Laser Interferometer Space Antenna, Requires the Ultimate in Lasers, Clocks, and Drag-Free Control

Rüdiger

Heinzel

Tröbs

2008

Lasers, Clocks and Drag-Free Control

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Summary. The existence of gravitational waves is the most prominent of Einstein's predictions that has not yet been directly verified. The space project LISA shares its goal and principle of operation with the ground-based interferometers currently being operated, the detection and measurement of gravitational waves by laser interferometry. Ground and space detection differ in their frequency ranges, and thus in the detectable sources. Toward low frequencies, ground-based detection is limited by seismic noise, and yet more fundamentally by "gravity-gradient noise," thus covering the range from a few Hz on upward to a few kHz. It is only in space that detection of signals below, say, 1 Hz is possible, opening a wide window to a different class of interesting sources of gravitational waves. The project LISA consists of three spacecraft in heliocentric orbits, forming a triangle of 5 million km sides. A technology demonstrator, the LISA Pathfinder, designed to test vital LISA technologies, is to be launched by ESA in 2009.LISA will face great challenges in reducing measurement noise, and thus, it will very strongly depend on the technologies of lasers, clocks, and drag-free control.

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“…3 This would not be the case for an all-flat planar resonator. In order to expand the mode volume, the rings were fabricated with flat surfaces only.…”

Section: Powerful Single-frequency Lasersmentioning

confidence: 99%

<title>Single-frequency diode-pumped lasers for free-space communication</title>

et al. 1990

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Laser-diode pumping of monolithic ND:YAG rings can lead to output powers of hundreds of milliwatts from a single laser. We have built several lasers with diffraction-limited single-mode output of 380 mW. These lasers can be injection-locked in a chain configuration to sum their power, while maintaining diffraction-limited, single-frequency operation. We demonstrated this chaining technique with two lasers, with a total output of 340 mW, and expect that it is practical for up to about ten lasers. Thus with lasers of 380 mW, output of 3 Watts is possible. The chaining technique, if properly engineered, results in redundancy.Monolithic, diode-pumped Nd:YAG ring lasers can provide narrow-linewidth, tunable output which is adequate for use as a local oscillator in a coherent conununication system. We build a conunercial laser which has a linewidth of about 2 kHz, a power of 5 inilliwatts, and which is tunable over a range of 30 MHz in a few microseconds. We phase-locked one of these lasers to a second, similar laser. This demonstrates that the powerful technique of heterodyne detection is possible with a diode-pumped laser used as a local oscillator.A key to the usefulness of these lasers in space communication is modulation. We have experimented with a technique for converting the cw, infrared output of these lasers into randomly pulsed, green output useful for Pulse-Position Modulation. Energy storage in an external resonant cavity permits peak green output to be much more powerful than cw infrared input.We have also begun experimentation with techniques for phase and amplitude modulating the output of these lasers. We are taking advantage of the coherence of the output in order to reduce the voltage required for conventional electro-optic modulation.

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Eigenpolarization theory of monolithic nonplanar ring oscillators

Cited by 107 publications

References 45 publications

Laser manufacturing: strategies for dealing with the challenges

Laser manufacturing: strategies for dealing with the challenges

LISA, the Laser Interferometer Space Antenna, Requires the Ultimate in Lasers, Clocks, and Drag-Free Control

<title>Single-frequency diode-pumped lasers for free-space communication</title>

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