New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW may be very substantial when compared with that of Yb:YAG. This allows for vast wavelength tunability and for A lot shorter pulse durations from manner-locked lasers. Values well below a hundred fs happen to be accomplished with passive mode locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a remarkable material that plays an essential function in laser know-how. Its Key perform is to crank out ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
time. Crystals in the compound melts congruently at 1007 oC, nevertheless soften crystallization of top quality crystal is unattainable because of section transition at ~920 oC. The highest seeded Remedy approach from
Shade-coded reflectivity of a Bragg mirror as being a operate of wavelength and angle from the incident beam.
This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers owning fiber output. To avoid spectral narrowing for the duration of amplification along with the corresponding lengthening in the amplified pulse when it can be compressed, a combination of two Yb:KYW crystals had been made use of, Along with the spectral maxima from the amplification shifted relative to one another and with spectral profiling with the amplified radiation.
Adhesion Examination Compliant with MIL-C-675C armed service standards, an adhesion take a look at involved making use of a tape that fulfills LT-90 requirements on to the lens movie layer. The tape was affixed thoroughly then eliminated vertically. This technique was executed three times, leading to no blistering or peeling.
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Spatial framework in the beam along with the corresponding depth profiles I on the output on the laser.
... at 50 percent-peak had been generated in a very master oscillator with selfsynchronization in the axial modes, described in our previously write-up. 21 The new edition from the laser, unlike that described in our earlier posting, used an Yb:KYW crystal with an N pcut (optical axis N p on the index ellipsoid was parallel to your propagation course in the laser radiation), With all the polarization of the produced radiation directed alongside the N m axis.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the related measurements of such chemical factors as many as 100% of Yb-doping might be reached.
The thermal conductivity of prevalent double tungstates is on the buy to three–four W/(K m) �?which isn't bad in contrast with other laser crystals (Though various moments fewer than for YAG), and pretty huge when compared While using the thermal conductivity of usual glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is often a extraordinary material that performs a significant position in laser technological know-how. Its primary functionality is usually to deliver ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Ask RP Photonics for almost any guidance regarding tungstate lasers, like femtosecond lasers and superior-power lasers.