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Focusing Optics

Bio Optics World - January/February 2015

Bio Optics World - January/February 2015

…and also efficiently collect epifluorescence. Laser light is then efficiently focused
into these optical collectors using a microlens array. Another development is in the
fluoro-chemistry that simplifies the optical system and reduces the total number
of images required. Specifically,…

Bio Optics World - May/June 2014

Bio Optics World - May/June 2014

…and THG,
a fraction of incident
laser light is coherently converted to the
second- or third-harmonic wavelength
when certain optical conditions are met. In theory, THG can
occur at most interfaces between different refractive indices, making it useful for
imaging cell…

Laser Focus World - February 2016

Laser Focus World - February 2016

a) b) Excimer laser
Focusing optics
Optional
apodization
aperture
Phase mask
wheel
Fiber
Fiber
gripper/positioner
February 2016 www.laserfocusworld.com Laser Focus World
32
O P T I C S F A B R I C A T I O N continued
embedded within…

Laser Focus World - February 2018

Laser Focus World - February 2018

…www.
coherent.com.
FIGURE 3.
A commonly
specified
subsystem
type
incorporates an
ultrafast laser
(the Coherent
Powerline
Rapid NX) and
rail-mounted
beam delivery,
as well as
focusing and
scanning optics.

Laser Focus World - June 2017

Laser Focus World - June 2017

newsbreaks 7 Laser Focus World www.laserfocusworld.com June 2017 Aluminum optics meet short-wavelength application requirements Although aluminum optics are a strong candidate to satisfy growing demand for low-cost, lightweight optics in military and spaceborne applications, it has historically been…

Laser Focus World - June 2018

Laser Focus World - June 2018

…250-500 mW power range.
Beam quality
Beam mode quality directly affects focused spot size, which in turn determines
system optical efficiency. This is because
a confocal microscope works by focusing
the laser to a small spot or spots in the
sample plane and imaging…

Laser Focus World - September 2015

Laser Focus World - September 2015

…mirrors, a beam expander, and
then a focusing lens. What actually happens to the laser beam when transitioning
through those additional optics?"
Pease used the Coherent camera to determine wavefront distortion caused by
damaged or dirty optical components.
With the camera in…

Laser Focus World - August 2016

Laser Focus World - August 2016

31
Laser Focus World www.laserfocusworld.com August 2016
MarketInsights
linewidth, were not a perfect fit for the
core design of our lasers at that time.
After Lambda Physik was wholly acquired by Coherent in 2003, we started searching for other industrial applications that…

Laser Focus World - January 2015

Laser Focus World - January 2015

optics that form the beam to a precise output form also demanded by the
application.
Patterson provides background on
the MRI module (see Fig. 1), explaining
that it permits the hyperpolarization of a
particular isotope of xenon using a process called spin-exchange optical

Laser Focus World - May 2015

Laser Focus World - May 2015

…multiphoton microscopy, nonlinear optics experiments, and
time-resolved spectroscopy.
FIGURE 2. In the 2DQuick 2D IR
spectrometer from PhaseTech Spectroscopy
(Madison, WI), an amplifier such as
Coherent's Astrella is used to pump an
optical parametric amplifier (OPA)…

Laser Focus World - January 2018

Laser Focus World - January 2018

…if desired. All of the company's TEC LD mounts are compatible
with standard threaded posts, as well
as threaded optical components such
as collimating optics.
In addition to similar lab-style LD
mounts, Newport (Irvine, CA) makes
TEC mounts (LDM-4983T) for common

Laser Focus World - November 2017

Laser Focus World - November 2017

November 2017 www.laserfocusworld.com Laser Focus World
48
G A S L A S E R S continued
melt of the thin silicon layer with each
pulse. The high absorption of the silicon also prevents the UV light from penetrating significantly into the substrate,
avoiding thermal stress and…

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