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Ops Chip

Vitara Preinstall.book

Vitara Preinstall.book

…for all
other laser parameters can be found at www.coherent.com.
Figure 2-2. Verdi G-Series Laser Head Optical Schematic.
Heatsink
Pump Diode
Pump Delivery
Optics
OPS Chip
LBO
Optical Cavity
Output
Beam
Output
Coupler

Verdi G-Series

Verdi G-Series

…new wavelengths and power never seen before
* No thermal lensing – OPS chip allows power to be changed without affecting beam parameters
* No green noise - lowest RMS noise spec <0.02% (from 10 Hz to 100 MHz) with OPS chip’s short upper state lifetime
* Reliable with fewer components and electronics…

Industrial Reliability in Scientific Lasers

Industrial Reliability in Scientific Lasers


components and testing processes are
carriedoutin-house.Thisincludescomplex optical coatings, laser diodes and
OPS (optically pumped semiconductor)
chip manufacturing, as well as testing of
non-linear and active medium crystals.
HALT / HASS - a qualitative
approach…

inforgraphic web 5 10 17

inforgraphic web 5 10 17

…failure rates HASS screened products reduce early failure modes to minimum. Aided by HALT. LASER PRODUCT Critical Optical Coatings Pump Diodes OPS Chip Crystals Advanced stress testing - beyond usual shake and bake Improved engineering margins increased lifetime and reliability Environmental test…

COHR WP  OPSL Invariant Beam Properties final 5.3.18.pdf

COHR WP OPSL Invariant Beam Properties final 5.3.18.pdf

…wavefront distortion was barely detectable at ~ /40.
Pump Beam
980 nm SM Laser
OPS Chip
Wedge
Wedge
HR mirror
Laser cavity
CCD Camera
Pump Beam
980 nm SM Laser
OPS Chip
Wedge
Wedge
HR mirror
Laser cavity
CCD Camera

COHR VitaraBrochure 0716 web.pdf

COHR VitaraBrochure 0716 web.pdf


control, material qualification
Vertical Integration
· In-house production of diodes, crystals,
critical optics - superior supply and
quality control
Vertical Integration
Laser
Pump
Diodes
OPS
Chip
Critical
Mirrors
Crystals

COHR AstrellaBrochure 1016.pdf

COHR AstrellaBrochure 1016.pdf


control, material qualification
Vertical Integration
· In-house production of diodes, crystals,
critical optics - superior supply and
quality control
Vertical Integration
Laser
Pump
Diodes
OPS
Chip
Critical
Mirrors
Crystals

COHR WP OPSL Wavelength Flexibility final 4.17.18.pdf

COHR WP OPSL Wavelength Flexibility final 4.17.18.pdf

…diode lasers, including the OPS chip. First of all, this gain chip can
emit light over a broader spread of wavelengths compared to lasers based on atomic emission
such as an argon ion laser. Moreover, the center wavelength varies slightly from chip to chip,
which of course is why…

COHR WP OPSL Superior Reliability 5.30.18.pdf

COHR WP OPSL Superior Reliability 5.30.18.pdf

…in the OPSL gain chip. This cooling scheme is based
on a new, proprietary mounting technique which directly attaches the chip to a heatsink. This is
one of the key factors responsible for the long lifetime of these OPS lasers. Efficient cooling of
the gain chip has the added benefit…