The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The comparison with glasses is suitable For the reason that big get bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Lively component for an output electric power of 700 mW. The width of
Optical layout of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is really a 50 percent-wave plate, CL is really a collimating lens, FL can be a concentrating lens, AE is surely an Lively aspect produced from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
Adhesion Examination Compliant with MIL-C-675C armed service standards, an adhesion check concerned making use of a tape that fulfills LT-90 specs onto the lens film layer. The tape was affixed totally after which taken out vertically. This method was carried out 3 times, causing no blistering or peeling.
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Spatial structure of the beam and the corresponding depth profiles I for the output with the laser.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the similar dimensions of these chemical elements nearly one hundred% of Yb-doping might be achieved.
The thermal conductivity of widespread double tungstates is from the get to 3–four W/(K m) �?which is not undesirable in contrast with other laser crystals (Whilst numerous situations below for YAG), and pretty substantial in contrast Along with the thermal conductivity of normal Eyeglasses.
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Inquire RP Photonics for just about any advice relating to tungstate lasers, such as femtosecond lasers and superior-electricity lasers.