…(from poorly matched
or fabricated systems). Each of these effects
can lead to measurement errors.
Most laser line generator manufacturers
specify line uniformity as the variation in
the intensity profile from the average intensity value over a given region. Usually, this…
…the position from this waist position. [ ( ) ] Equation 1 Technologies to Generate Laser Lines Clip Gaussian vs. Cylinder vs. Diffractive vs. ALG Gaussian Diffractive Multi-cylindrical lens array ALG Variables affecting line uniformity Input beam position Wavelength Projection distance Input beam…
…and size of the field of
view. An objective lens from Olympus, 25x, NA 1.05 water immersion features a field of view up to 400×400µm
@2.5Hz frame rate, 800Hz line frequency and 250×250pix resolution down to 40×40µm @ 2600Hz line frequency. The scanhead works on two microscope stands:…
36 Optik&Photonik 3/2017 © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
fully restore cornea and lens flexibilities, refractive laser procedures cannot
yet deliver the complete accommodation of a young eye in a mature patient,
is pressurized with argon gas to allow generation of coherent
EUV pulses with photon energies up to 43 eV. These EUV pulses are ideal for photoelectron spectroscopy, used to study electron dynamics in materials.
Supercontinuum light sources combine an…
…· Wavelength flexibility
· Highly efficient nonlinear
· Excellent beam and mode quality
· High power stability & low noise
· No "green problem"
· No thermal lensing
· Fiber coupling with high efficiency
· High reliability & lifetime…
controls, LEDs and camera lenses. CO
lasers are typically limited to cutting glass
in straight lines because their round output
beam must be reshaped into a long, thin
line in order to distribute the intense heat
generated at the surface. In contrast, the…
…line on the work surface, rather than a circle (which is the way
laser beams are most commonly focused).
This is necessary in order to adequately distribute the intense heat generated by the laser.
However, this geometry means that the glass
is always being heated along a line…
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