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Lasers Laser Cellx-laser-beam-combiner

Coherent

Coherent

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…is the fiber laser, which can be operated in CW, Q-switched and mode-locked formats. Here, laser diodes optically pump a rare-earth doped fiber, which typically emits at about 1 m. Nd:YAG, CO2, fiber and direct diode lasers are the workhorses of industrial laser applications. Direct diode lasers

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…ultrafast laser material is titanium-doped sapphire or Ti:sapphire, thanks to its large bandwidth and broad tuning range; turnkey commercial Ti:sapphire lasers can deliver pulses as short as 6-10 fs (10 × 10-15 s). Ti:sapphire lasers are universally pumped using a green-wavelength CW pump laser,

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…In the past few years, new laser materials have emerged that can produce femtosecond-class pulses. These lasers are mostly based on Yb atoms in various host crystals (YAG, KGW, KYW, etc.). One important distinction between Ti:sapphire and Yb lasers is that Yb lasers are limited to producing pulses…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…energy source may be a lamp or, more commonly, another laser. Electrical pumping can be via a DC current (as in laser diodes), an electrical discharge (noble gas lasers and excimer lasers) or a radio-frequency discharge (some CO2 lasers). In a conventional (incoherent) light source like a lightbulb,…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…Well-designed lasers produce a beam of light that will expand ("diverge") only by the minimum amount prescribed by the laws of diffraction. For example, diffraction imposes that the minimum spot that can be produced by a laser beam is equal to about its wavelength. Continuous-wave lasers Lasers can…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…a halogen, such as ArF and XeCl - sustain laser action for only a brief period of several nanoseconds. Other lasers, like Nd or Yb diode-pumped solid-state (DPSS) lasers, lend themselves to be operated both in CW or pulsed operation. Other lasers, like laser diodes or OPSLs, are not suitable at all…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…perpendicular to the beam direction. The ideal laser beam has a radially symmetric cross section: The intensity is greatest in the center and tails off at the edges, following a Gaussian profile. This is called the TEM00 or fundamental output mode. Lasers can produce also many other TEM modes, a few…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…beam quality, and for many years, these lasers were lamp-pumped. But the ever-increasing power and lifetime characteristics of laser diodes are causing these lasers to switch to diode pumping; i.e., DPSS lasers. Conversely, lower-power Q-switched DPSS lasers are often based on Nd:YVO4. These are…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…pass through the harmonic crystal. On the other hand, CW lasers usually do not produce sufficient power for efficient harmonic generation, so that the power in the crystal has to be enhanced by putting the nonlinear crystal inside the laser cavity ("intracavity doubling"), or building a cavity ad…

TUI Laser

TUI Laser

…excimer lasers specifically for this application, we have become the supplier of choice for many industry leaders in vision correction. With more than a million procedures performed annually with our laser sources, Coherent TuiLaser is an experienced supplier of excimer lasers for refractive…

Picosecond laser

Picosecond laser

…Lockout Function Because HyperRapid NX lasers allow multiple connections to the laser, there is a safety concern about unintended control of the laser by unauthorized operator(s). The Lockout function ensures that only one connection can have control of the laser at any given time and locks out…

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