Specifications & Configurations Frequency Converted Diode Lasers0 pages

FREQUENCY-CONVERTED LASERS
Tunable Diode Lasers for Visible and UV Wavelengths
Standard systems and customized
solutions
TOPTICA's standard frequency-converted
diode lasers are available at wavelengths
between 205 nm and 640 nm, with
only few spectral gaps. By combining
understanding of diode laser technology
and extensive experience in frequency
conversion, we achieve the highest output
power levels and best performance in
our products. For customers that already
possess a single-frequency cw laser that
is to be frequency-doubled, TOPTICA
also offers a stand-alone secondharmonic generator.

pro philosophy in frequency-converted
systems
Ease of use, best performance and
highest stability are key characteristics of
any of TOPTICA’s pro lasers. In TOPTICA’s
frequency-converted systems, the laser
head is machined from a solid metal
block for enhanced robustness against
vibrations, acoustic noise and temperature.
Integrated exure-based mirror mounts
provide an unmatched long-term stability.
The “bow-tie” resonator SHG pro comes
in a closed design with entrance and exit
windows, and can be adjusted without
opening the lid.

Different product families are presented
on the next pages. Together with our
customers, TOPTICA’s experts will identify
the best product and tailor it according
to specific requirements in terms of
output power, wavelength and tunability.
For specific applications, we provide
pre-configured TOPSeller systems.

The SHG wavelength is tuned by altering
the fundamental laser color. Mode-hopfree tuning of some 10 GHz is realized by
scanning the fundamental laser while the
SHG resonator follows automatically.

If our standard products do not match
your needs, we will investigate options
like sum-frequency generation. Do not
hesitate to challenge us!
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Diode laser advantages
Compared to other frequency-converted
laser systems (e.g., optically-pumped
dye lasers with subsequent doubling
stages, or frequency-doubled Ti:Sa
lasers), the advantages of semiconductor
congurations are that an external pump
laser and water cooling are not required.
The diode laser systems are most
compact in size, extremely reliable,
conveniently operated, with low running
costs. Thanks to TOPTICA’s pro
design, even non-specialists can
perform adjustments.

Coarse tuning over several nm is achieved
by manually changing the wavelength of the
fundamental laser. Only if phase matching
has to be optimized does readjustment of
the SHG resonator become necessary.

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