In optics, an ultrashort pulse, also known as an ultrafast event, is an electromagnetic pulse whose time duration is of the order of a picosecond (10−12...
23 KB (3,349 words) - 06:09, 9 June 2025
An ultrashort pulse laser is a laser that emits ultrashort pulses of light, generally of the order of femtoseconds to one picosecond. They are also known...
5 KB (481 words) - 04:49, 28 November 2023
relatively long laser pulses (e.g. nanosecond pulses) can heat and thermally alter or damage the processed material, ultrashort laser pulses (e.g. femtoseconds)...
25 KB (3,207 words) - 12:48, 11 June 2025
can also be used to produce ultrashort pulses of light with a broad spectrum but durations measured in attoseconds. Lasers are used in fiber-optic and...
126 KB (14,006 words) - 08:12, 24 June 2025
Chirped pulse amplification (CPA) is a technique for amplifying an ultrashort laser pulse up to the petawatt level, with the laser pulse being stretched...
18 KB (2,157 words) - 18:08, 20 May 2025
Ultrafast laser spectroscopy is a category of spectroscopic techniques using ultrashort pulse lasers for the study of dynamics on extremely short time...
33 KB (4,355 words) - 15:21, 26 May 2025
Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source...
21 KB (2,440 words) - 14:44, 23 May 2025
Pulsed laser deposition (PLD) is a physical vapor deposition (PVD) technique where a high-power pulsed laser beam is focused inside a vacuum chamber to...
21 KB (2,603 words) - 02:05, 28 December 2024
Q-switching (redirect from Giant pulse formation)
Q-switching, sometimes known as giant pulse formation or Q-spoiling, is a technique by which a laser can be made to produce a pulsed output beam. The technique allows...
12 KB (1,720 words) - 03:33, 2 March 2025
lasers and pulsed lasers. The dye rhodamine 6G, for example, can be tuned from 635 nm (orangish-red) to 560 nm (greenish-yellow), and produce pulses as...
25 KB (3,180 words) - 10:25, 9 November 2024
Laser pulses must be spaced out to allow for efficient tissue cooling (thermal relaxation time) between pulses. Ultrashort pulse laser Pulsed laser deposition...
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Rudolph W (2008). "Biological Microscopy with Ultrashort Laser Pulses". In Duarte FJ (ed.). Tunable Laser Applications (2nd ed.). Boca Raton: CRC Press...
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{\displaystyle \omega } , then the first peak disappears. High intensity ultrashort pulse lasers can create ATI features with 20 or more peaks. The photoelectron...
4 KB (475 words) - 02:51, 28 November 2023
Laser hair removal is the process of hair removal by means of exposure to pulses of laser light that destroy the hair follicle. It had been performed...
26 KB (3,040 words) - 22:40, 10 June 2025
amplify laser pulses by "chirping" for which they would share the 2018 Nobel Prize in Physics. This method disperses a short, broadband pulse of laser light...
16 KB (1,541 words) - 20:40, 23 April 2025
nanometers. This type of laser is mainly used in scientific research because of its tunability and its ability to generate ultrashort pulses, thanks to its broad...
13 KB (1,541 words) - 21:36, 23 May 2025
format Ultracold atom Ultrafast laser spectroscopy Ultrafast monochromator Ultralase Ultrashort pulse Ultrashort pulse laser Ultrasonic flow meter Ultraviolet...
27 KB (2,609 words) - 17:09, 25 May 2025
free-electron laser (FEL) is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a laser but...
44 KB (5,091 words) - 21:47, 22 May 2025
and a sustained energy of 1 J per pulse at repetition rates of 300 pulses per second was the standard rating. This laser used a high power thyratron and...
24 KB (2,871 words) - 05:11, 23 May 2025
Laser-induced fluorescence (LIF) or laser-stimulated fluorescence (LSF) is a spectroscopic method in which an atom or molecule is excited to a higher...
7 KB (739 words) - 05:11, 25 May 2025
Mode locking (redirect from Additive-pulse mode locking)
product" of the pulse and varies depending on the pulse shape. For ultrashort-pulse lasers, a hyperbolic-secant-squared (sech2) pulse shape is often assumed...
28 KB (3,816 words) - 10:41, 25 May 2025
are not particularly efficient in transmitting power to the beam, the laser pulse is sent through the amplifiers twice by an optical switch in front of...
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the lasers driving the reaction. Powerful lasers producing ultra-short (in the tens of femtoseconds) and ultra-intense (up to 1023 W/cm2) laser pulses offer...
24 KB (2,749 words) - 06:01, 17 March 2025
Confocal microscopy (redirect from Confocal laser scanning microscopy)
Confocal microscopy, most frequently confocal laser scanning microscopy (CLSM) or laser scanning confocal microscopy (LSCM), is an optical imaging technique...
45 KB (5,265 words) - 13:57, 2 June 2025
the workpiece. A continuous or pulsed laser beam may be used depending upon the application. Millisecond-long pulses are used to weld thin materials...
19 KB (2,762 words) - 20:45, 25 May 2025
of infrared lasers based on the vibrationally excited products of a chemical reaction was first proposed by John Polanyi in 1961. A pulsed[broken anchor]...
14 KB (1,752 words) - 10:37, 20 May 2025
an ultrashort pulsed laser is used in the terahertz pulse generation process. In the use of low-temperature grown GaAs as an antenna, the ultrashort pulse...
22 KB (2,922 words) - 04:46, 25 June 2025
Laser drilling is the process of creating thru-holes, referred to as “popped” holes or “percussion drilled” holes, by repeatedly pulsing focused laser...
18 KB (2,465 words) - 00:47, 16 May 2024
minimize ESD failures. Semiconductor lasers can be either driven by pulses or continuous wave operation. Semiconductor lasers may be configured to emit photons...
17 KB (1,871 words) - 10:09, 2 November 2024
Laser linewidth is the spectral linewidth of a laser beam. Two of the most distinctive characteristics of laser emission are spatial coherence and spectral...
33 KB (5,029 words) - 16:38, 24 May 2025