[permalink] [id link]
Diode lasers have also found many applications in laser absorption spectrometry ( LAS ) for high-speed, low-cost assessment or monitoring of the concentration of various species in gas phase.
from
Wikipedia
Some Related Sentences
Diode and lasers
Diode lasers can be used in a great many fields ; since light has many different properties ( power, wavelength, spectral and beam quality, polarization, etc.
Diode lasers of that era operated with threshold current densities of 1000 A / cm < sup > 2 </ sup > at 77 K temperatures.
* Diode lasers
* Diode lasers
Diode lasers which emit light at 445 nm are becoming popular as handheld lasers.
Diode and have
LED or Light Emitting Diode grow lights which produce the photosynthetic optimum red ( 640-670 nm ) and blue ( 430-460 nm ), they have long life expectancies, and efficiency, 100 watts producing 3, 400 lumens output from a unit 400x212x62mm, they are also rather cool, so you can have them quite close to the plants.
Diode laser systems have the following advantages in joining of plastic materials:
The Tenix Interactive Link Data Diode Device and the Fox Data Diode have been evaluated at EAL7 augmented.
Fox-IT claim to have certified their one-way data communications device known as the " Fox Data Diode " at EAL7 +.
Step Recovery Diode pulse generators are inexpensive but typically require several volts of input drive level and have a moderately high level of random jitter ( usually undesirable variation in the time at which successive pulses occur ).
* Diode Barrier cells-Barrier cells that have a passageway to go through ( 1-way only ).
Some major controls for this pest have come from the development of oils from agricultural wastes, usage of natural enemies such as the four species of Eretmocerus ( Eretmocerus sp, Eretmocerus mundus, Eretmocerus hayati, and Eretmocerus emiratus ), employment of trap crops, release of insect growth regulators, and implementation of the Light-Emitting Diode Equipped CC trap ( LED-CC ).
Diode and also
In optics, an equivalent device for the diode but with laser light would be the Optical isolator, also known as an Optical Diode, that allows light to only pass in one direction.
Lang also worked as a research scientist for Spectra Diode Labs of San Jose, California, and then at JDS Uniphase, also of San Jose.
Bat also created into two side projects, Xenon and Diode Fetish.
Diode and many
Diode logic goes back as far as ENIAC and was used in many early vacuum tube computers.
Diode and laser
** Diode epilation ( high energy LEDs but not laser diodes )
* External Cavity Diode Laser, a configuration of a stable diode laser
fr: Diode laser à cavité verticale émettant par la surface
Diode and laser --
* Injection Laser Diode, a type of semiconductor laser used in optical networks
Diode and for
* Resonant Tunneling Diode Simulation Tool on Nanohub enables the simulation of resonant tunneling diodes under realistic bias conditions for realistically extended devices.
The SIDAC, or Silicon Diode for Alternating Current, is another member of the thyristor family.
Feat of engineering, the new giant screens are each composed of 4 423 680 LED ( Light Emitting Diode ) for a self-made images more fluid, faster, and more particularly bright.
* Abbreviation for Hole Accumulation Diode, a technique for reducing electronic noise
* DIAC ( Diode for Alternating Current ), Trigger Diode, SIDAC ) – Often used to trigger an SCR
Diode and concentration
Both stages of concentration are included on the same GDX ( Gated Diode Access ) board.
Diode and .
* BA-series silicon low-power / signal diodes ( e. g.: BAT18 Silicon RF Switching Diode )
* The FREDFET ( Fast Reverse or Fast Recovery Epitaxial Diode FET ) is a specialized FET designed to provide a very fast recovery ( turn-off ) of the body diode.
Image: Diode bridge alt 1. svg
Image: Diode bridge alt 2. svg
Image: Diode bridge smoothing. svg
The canon that is chanted on these days is a " Triode ", i. e., composed of three odes instead of the usual nine odes ( the canon of Holy and Great Tuesday is a " Diode ", having only two odes ).
The Sony DCR-TRV730 / 828 / 830 ( and the later DCR-TRV740 / 840 ), were the only Digital8 camcorders to be built with a 1 / 4. 7 " ( 4. 5mm ) with advanced HAD ( Hole Accumulation Diode ) CCD.
* Sony History – The Esaki Diode.
Diode – transistor logic ( DTL ) is a class of digital circuits that is the direct ancestor of transistor – transistor logic.
Outside the field of analytical chemistry, e. g. when used with the Tunable Diode Laser Absorption Spectroscopy ( TDLAS ) technique, the absorbance is often defined using the natural logarithm instead of the common logarithm, i. e. as
Eccles invented the term Diode to describe an evacuated glass tube containing two electrodes ; an anode and a cathode.
The colored lighting is accomplished with a Light Emitting Diode lighting system.
lasers and have
Similar technological advances in accelerators, detectors, magnetic field generation and lasers have greatly assisted experimental work.
In most lasers this medium consists of population of atoms which have been excited into such a state by means of an outside light source, or an electrical field which supplies energy for atoms to absorb and be transformed into their excited states.
Intensity-dependent phenomena have now been studied in detail with such lasers.
To compress and heat the fuel, energy is delivered to the outer layer of the target using high-energy beams of laser light, electrons or ions, although for a variety of reasons, almost all ICF devices to date have used lasers.
Multimode helium-neon lasers have a typical coherence length of 20 cm, while the coherence length of singlemode ones can exceed 100 m. Semiconductor lasers reach some 100 m. Singlemode fiber lasers with linewidths of a few kHz can have coherence lengths exceeding 100 km.
However, Ytterbium doped fiber lasers and amplifiers, operating near 1 micrometre wavelength, have many applications in industrial processing of materials, as these devices can be made with extremely high output power ( tens of kilowatts ).
Systems for which damping is important ( such as dampers keeping a door from slamming shut ) have Q = ½. Clocks, lasers, and other systems that need either strong resonance or high frequency stability need high quality factors.
These systems use lasers that have a lower tolerance for ORL, and introduce elements into the network that are located in close proximity to the laser.
These findings from quantum mechanics have found many applications, and allow us to build transistors and lasers.
Upon exposure to the sun, freckles will reappear if they have been altered with creams or lasers and not protected from the sun, but do fade with age in some cases.
Applications such as semiconductor lasers using spin-polarized electrical injection have shown threshold current reduction and controllable circularly polarized coherent light output.
Since the 1970s, researchers have attempted to trigger lightning strikes by means of infrared or ultraviolet lasers, which create a channel of ionized gas through which the lightning would be conducted to ground.
Following work on the use of argon ion lasers for fingerprint detection, a wide range of fluorescence techniques have been introduced, primarily for the enhancement of chemically-developed fingerprints ; the inherent fluorescence of some latent fingerprints may also be detected.
Newer techniques involving lasers in urology have emerged in the last 5 – 10 years, starting with the VLAP technique involving the Nd: YAG laser with contact on the prostatic tissue.
GreenLight 532 nm lasers target haemoglobin as the chromophore and typically have a penetration depth of 0. 8mm ( two times deeper than holmium ).
Most microscopes, however, have their own adjustable and controllable light source – often a halogen lamp, although illumination using LEDs and lasers are becoming a more common provision.
A simple DNA sequencer will have one or more lasers that emit at a wavelength that is absorbed by the fluorescent dye that has been attached to the DNA strand of interest.
Vertical-cavity surface-emitting lasers ( VCSELs ) have the optical cavity axis along the direction of current flow rather than perpendicular to the current flow as in conventional laser diodes.
Laser medicine: medicine and especially dentistry have found many new uses for diode lasers.
0.305 seconds.