KYW Crystal Options
KYW Crystal Options
Blog Article
In useful phrases, the Yb:KYW crystal has observed its niche in large-electricity laser programs as a result of its capacity to crank out substantial energy ultrashort laser pulses although maintaining a compact size. The interaction of its functions �?seamless ytterbium substitution, powerful absorption characteristics, ultrashort pulse technology and effectiveness in energy conversion �?positions the Yb:KYW crystal as being a cornerstone in the laser technology, covering numerous fields ranging from scientific investigate to industrial programs.
The comparison with Eyeglasses is appropriate Considering that the large attain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in light absorption at all-around 981 nm can make the crystal well matched for diode pumping. It's even more Increased by its outstanding effectiveness in this process, coupled with its lower quantum defect.
Colour-coded reflectivity of a Bragg mirror being a perform of wavelength and angle on the incident beam.
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 usually a fifty percent-wave plate, CL is a collimating lens, FL is usually a concentrating lens, AE can be an Lively factor created from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is the output mirror, and SAM is a semiconductor saturable-absorber mirror.
Adhesion Take a look at Compliant with MIL-C-675C military expectations, an adhesion examination included implementing a tape that satisfies LT-ninety specifications on to the lens film layer. The tape was affixed entirely and afterwards eradicated vertically. This course of action was executed 3 times, resulting in no blistering or peeling.
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Tungstates are inclined to obtain high Raman coefficients (�?Raman scattering). As a result, they will generate substantial Raman obtain at reasonable optical intensities. It is feasible to make use of the laser crystal by itself like a Raman converter.
... at 50 %-peak had been produced inside a learn oscillator with selfsynchronization with the axial modes, described inside our previously article. 21 The new edition in the laser, unlike that described inside our previously short article, utilized an Yb:KYW crystal with the N pcut (optical axis N p of your index ellipsoid was parallel on the propagation path of the laser radiation), Together with the polarization of the created radiation directed alongside the N m axis.
Even so, after Nd3+:YAG became commercially available, the fascination in CaWO4 dropped sharply. In later a long time, specified other tungstate crystals started to entice loads of focus.
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Question RP Photonics for any assistance regarding tungstate lasers, together with femtosecond lasers and substantial-power lasers.