Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The comparison with Eyeglasses is appropriate since the massive obtain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We present a dual-crystal Yb:KGW laserthat iscapable to operate for a Q-switched oscillator with output electric power approximately 24 W and pulse length of 20 ns,or as being a regenerative amplifier with output electric power as much as 21 W and pulse length beneath two hundred fs immediately after compression of chirped pulses. The two lasers have outstanding beam high-quality with beam parameter M2
Colour-coded reflectivity of a Bragg mirror as being a functionality of wavelength and angle of the incident beam.
Optical layout of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output from the radiation, WP is usually a fifty percent-wave plate, CL is actually a collimating lens, FL can be a concentrating lens, AE is surely an active factor produced from an Yb:KYW crystal, DM is actually a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC is the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Test Compliant with MIL-C-675C navy standards, an adhesion exam concerned making use of a tape that meets LT-90 specifications onto the lens movie layer. The tape was affixed thoroughly then removed vertically. This technique was executed 3 times, resulting in no blistering or peeling.
FIG. one. Optical layout of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber more info output
A superior brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be quite substantial with out substantial quenching as the replaced ions have an exceedingly very similar ion radius, as well as inter-ion distance is fairly big.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW mainly because of the very similar measurements of these chemical elements as many as a hundred% of Yb-doping may be reached.
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Li2WO4-WO3 flux was successfully utilized lowering the growth temperature beneath 900 oC. In keeping with one crystal x-ray measurements, the crystal corresponds towards the P2/n House group.
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