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Topic: Laser pumping

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In the News (Sat 19 Dec 09)

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	Third Generation Soviet Space Systems
		Laser technology was also pursued but also faced many technical and cost problems in achieving high energies.
		Astrofizika designed lasers for both tactical and strategic use and was receiving 1% of the Soviet defence budget during this period.
		The laser payload was heavy, with a resulting lower fuel fraction, and was limited to use against low earth orbit targets.
	www.astronautix.com /articles/thistems.htm (7168 words)

	Encyclopedia of Laser Physics and Technology - laser cavities, laser diodes, laser design, linewidth, laser safety, ...
		Rüdiger Paschotta, explains basic terms and principles of laser physics and technology, with additional content from other topics such as general optics, nonlinear optics, fiber optics, quantum optics, optical fiber communications and optoelectronics.
		laser gain → gain, gain media, laser amplifiers
		There is a variety of various services available in topical areas such as lasers, laser amplifiers, nonlinear optics, fiber optics, multilayer mirrors, noise and fluctuations, and other topics in photonics and optoelectronics.
	www.rp-photonics.com /encyclopedia_l.html (177 words)

	ipedia.com: Optical amplifier Article (Site not responding. Last check: 2007-10-29)
		Fiber amplifiers are optical amplifiers which use a doped optical fiber, which bears the communication signal, and is optically pumped with a laser having a high-powered continuous output at an optical frequency slightly higher than that of the communication signal.
		Because neither optical-electrical conversion nor electrical amplification takes place, this type of amplifier is well suited for a wide variety of applications, both digital and analog.
		Because this type of amplifier does not require extraordinary frequency (wavelength) control of the pumping laser, it is relatively simple.
	www.ipedia.com /optical_amplifier.html (341 words)

	Electrical Discharges
		The cyan line at 436 nm, the green line at 546 nm, and the yellow doublet at 577 and 579 nm can easily be seen in the spectrum of a fluorescent tube, and should be familiar to all.
		The glow discharge is often used for gas laser pumping, as in the familiar He-Ne laser.
		The laser frequency is picked out by an optical resonance between external mirrors, and energy is pumped into it by the population inversion.
	www.du.edu /~jcalvert/phys/dischg.htm (13885 words)

	Azriel Z. Genack - Distinguished Professor
		In addition acousto-optic tomography using diffuse light has been demonstrated, and Monte Carlo simulations of the random walk of photons in amplifying random media have established the incoherent nature of laser action in these systems.
		Observations of photon localization and exponential scaling of intensity fluctuations, A.Z. Genack and A. Chabanov, in Frontiers of Laser Physics and Quantum Optics, ed.
		Large coherence area thin-film photonic stop-band lasers, V.I. Kopp, Z.-Q. Zhang and A.Z. Genack, Phys.
	www.physics.qc.edu /pages/genack (1588 words)

	Xenon compounds (Site not responding. Last check: 2007-10-29)
		Periodic Table Synthesis of Xenon Compounds Rare-Gas Compounds in Lasers...
		All xenon compounds are toxic, although the gas itself is not.
		The work carried out particularly on xenon compounds is novel and exciting.
	www.blackscooter.com /xenon+compounds.html (1045 words)

	CRASH 75 - Covertape contents
		Waking up, strange new scenes confront your eyes - the Master Blaster is heading into a deadly alien canyon, both sides packed with vicious weaponry.
		The signal blows as alien forces realise your presence and send destruction fleets down the metalic valley pumping laser bolts in your direction!
		You can't turn back - only go on blasting your way through until you find the exit!
	www.crashonline.org.uk /75/tape.htm (1666 words)

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