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Fast Axis Lens

Vision Systems - June 2015

Vision Systems - June 2015


Slow axis
focusing
Fast axis
focusing
After focus
Focal plane
Before focus
Slow axis
Slow
axis
Laser
source
Laser
source
Focusing
optics
Focusing
optics
Fast
axis
Fast axis
configure…

LRS EVO

LRS EVO

…a wide range of industries like aviation, electronics, machine tool, tool-/moldmaking, plastics industry and the medical sector. The system offers fast and efficient intuitive operation for both simple and complex laser welding tasks. Highest precision is guaranteed by accuracy and control during…

Life Sciences and Medical Applications

Life Sciences and Medical Applications

…taken because of the short focal plane of the objective lens (as small as .5 microns). Any image data above or below the focal plane is prevented from reaching the detector. Levels of the sample are collected as the focal plane (Z axis) is raised or lowered. These levels are then computer-assembled…

Microsoft Word - ECL pw2009.doc

Microsoft Word - ECL pw2009.doc

…the solitary
laser diode bar after a fast axis lens (not shown in the picture)
The laser diode bar was lensed with an aspherical lens (FAC lens) of 900 µm focal length. Fig. 3(b) shows the spectra of
the laser diode bar after the FAC lens at 40 A. The laser diode bar is conductively…

Microsoft Word - VHG-FAC Paper 07-01-05 .doc

Microsoft Word - VHG-FAC Paper 07-01-05 .doc

…optical axis (off axis) will not
receive feedback from VHG
emitter on optical axis
emitter off optical axis
FAC
VHG
Fig. 4 Feedback situation for the two-piece configuration of FAC and VHG in the case of an array with "smile". The emitter
above the optical axis

SPIE DSS 2013 Final submitted 4-25-2013x

SPIE DSS 2013 Final submitted 4-25-2013x

…Divergence [mrad]
intensity (normalized)
Figure 24. Left chart shows the divergence plot in fast axis and right chart shows a plot of slow axis with values of 4.8mrad
in the fast axis (90% power enclosure) and 25 mrad in slow-axis (90% power enclosure).
In Fig. 24, the relatively…

SingleEmitters-780-830nm-Data-Sheet.pdf

SingleEmitters-780-830nm-Data-Sheet.pdf

…Wavelength Temperature Coefficient (nm/°C) 0.28 0.28
Polarization TM TE
Fast Axis Divergence (degrees)(unlensed)(FWHM) 31 29
Fast Axis Divergence (degrees)(lensed)(FWHM) <4 <4
Slow Axis Divergence (degrees)(FWHM) <10 <10
Threshold Current (A)(typical) 0.3 0.5…

CCPs-1060nm-Data-Sheet.pdf

CCPs-1060nm-Data-Sheet.pdf

…Temperature Coefficient (nm/°C) 0.4 0.4
Polarization TE TE
Fast Axis Divergence (degrees)(unlensed)(FWHM) <35 (30 typical) <35 (30 typical)
Fast Axis Divergence (degrees)(lensed)(FWHM) <1 <1
Slow Axis Divergence (degrees)(FWHM) <7 <7
Threshold Current (A)…

CaseStudy TIRF MullinsLab UCSF.pdf

CaseStudy TIRF MullinsLab UCSF.pdf

…technique. Its xy resolution is limited only by diffraction and/or the camera resolution, but the z axis sampling depth is much smaller than the diffraction limit. And, if there is sufficient signal for fast frame acquisition speeds, the important fourth dimension of time enables dynamic processes…

Microsoft Word - COHR whitepaper whitedwarfmonaco 5 21 2018

Microsoft Word - COHR whitepaper whitedwarfmonaco 5 21 2018

…the output beam was focused by
an achromatic lens. The beam profile was then recorded along the propagation axis with a
beam profiler (WinCam D). The beam caustic was then fitted to the second moment values of
the beam profiles indicating M² < 1.2 for both axis - see figure 7.

Compact Single Mode Tunable Laser Using a Digital Micromirror Device.pdf

Compact Single Mode Tunable Laser Using a Digital Micromirror Device.pdf

…that
up to 2 degrees deviation from the lens optical axis provides adequate feedback for single
mode operation. Therefore, the maximum angular span is 4 degrees (+/2 degrees). The
minimum physical separation at the focal plane of lens L2 is constrained by the pixel size,
which…

CCPs-965-985nm-Data-Sheet.pdf

CCPs-965-985nm-Data-Sheet.pdf

…Wavelength Temperature Coefficient (nm/°C) 0.4 0.4
Polarization TE TE
Fast Axis Divergence (degrees)(unlensed)(FWHM) 31 31
Fast Axis Divergence (degrees)(lensed)(FWHM) <1 <1
Slow Axis Divergence (degrees)(FWHM) <10 <10
Threshold Current (A) 5 typical 8 typical…