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Nanosecond Laser

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf


to implement and operate.
CPA-based ultrafast laser applications
High-power ultrafast lasers are especially useful in laser machining and cold ablation of nearly
any material. Traditional millisecond to nanosecond lasers rely on localized heating, melting, and
vaporization…

CMM 10.4.indd

CMM 10.4.indd

…polyimide sheets scribed with a nanosecond and USP laser (in the UV). The nanosecond laser processed at
66 mm/sec, while the USP laser cut at 193 mm/sec. The nanosecond laser produced a substantial HAZ - seen as a darkening in this image - while
the USP laser produced none, and also…

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

…reduced compared to nanosecond lasers. With picosecond lasers, a
much higher portion of the total laser power is used to remove material, rather than produce
unwanted heating. Second, because the pulsewidth is a thousand times shorter than a
nanosecond laser, the peak power to average…

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf


nanosecond laser for laser grooving, but
now we've switched to a 1064-nm picosecond laser and perform stealth dicing. This has delivered several benefits.
First, the picosecond laser produces a
much smaller heat-affected zone than
the nanosecond laser," Zhao explained.…

2016-Ultrafast-Laser-Systems-Catalog.pdf

2016-Ultrafast-Laser-Systems-Catalog.pdf


7 Contrast ratio (nanosecond) with optional Pulse Slicer increases to >106:1 pre-pulse. Pulse energy specification must be decreased by 20% when optional
Pulse slicer is added.
8 M2 deviation is less than 0.2 between X to Y after compression.
9 Pump laser must be qualified for…

Microsoft Word - NovusLight 2018-07 Microelectronics Packaging

Microsoft Word - NovusLight 2018-07 Microelectronics Packaging

…pulse (USP) lasers such as the Coherent HyperRapid NX
picosecond laser and Monaco femtosecond laser can be an alternative when the cut quality is of
utmost importance. These produce a smaller kerf, reduced HAZ, and less debris as compared to
nanosecond lasers, and can under…

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

nanosecond pulse width lasers, and
ultrafast (picosecond and femtosecond) lasers yield particles hundreds of nanometers in size.
Nanosecond pulse width lasers, operating in either the green (532 nm) or ultraviolet (355 nm),
are usually employed in "bottom-up" cutting. Here, the laser

Europhotonics - Spring 2016

Europhotonics - Spring 2016

lasers pose another problem:
In the past, the reliability of industrial
femtosecond, and even picosecond, lasers
was not optimal, often compromising
24/7 applications. What's more, these
lasers were only available for a premium
price, compared with nanosecond lasers.

IndustrialUltrafast Whitepaper.pdf

IndustrialUltrafast Whitepaper.pdf

…by which a laser can precision drill, scribe, cut or mark a material. Many traditional applications rely on infrared and visible Qswitched lasers, which have pulsewidths in the tens of nanoseconds range, and which remove material via a photothermal interaction. Here, the focused laser beam acts as…

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

…diode-pumped, solid-state lasers having pulsewidths
in the nanosecond range, or industrial ultrafast lasers with pulsewidths in the picosecond, or even
femtosecond, regime. These industrial ultrafast lasers typically utilize a mode-locked, diode-pumped,
solid-state laser as a seed for…

LabMax-Pro PC Software Installation and Quick Start Guide

LabMax-Pro PC Software Installation and Quick Start Guide

…pulsed lasers. Use Standard-Speed mode when
measuring the average power of high repetition rate shortpulsed lasers, such as picosecond, femtosecond, and nanosecond lasers. In this 10 Hz sampling mode, PowerMax-Pro
provides extremely fast average power readings on these lasers.

COHR HELIOS DS 0217 3.pdf

COHR HELIOS DS 0217 3.pdf

…sub-ns Laser The lasers of the HELIOS series are compact, rugged systems with high pulse energy and pulse duration of only a few hundred picoseconds. This allows for a precision and quality in micromachining and microelectronics applications which are not possible with nanosecond lasers. HELIOS MOPA…