5 Simple Statements About KYW Crystal Explained
5 Simple Statements About KYW Crystal Explained
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This special attribute of ultrafast pulses enables nonlinear optical interaction with tissue at low overall publicity, and drives purposes like deep-tissue multiphoton microscopy and higher-precision eye surgical treatment
We present a dual-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output ability as much as 24 W and pulse duration of 20 ns,or to be a regenerative amplifier with output electricity approximately 21 W and pulse length underneath 200 fs immediately after compression of chirped pulses. Each lasers have fantastic beam high-quality with beam parameter M2
Colour-coded reflectivity of the Bragg mirror as a perform of wavelength and angle of your incident beam.
This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by potent linear arrays of semiconductor injection lasers acquiring fiber output. To prevent spectral narrowing all through amplification as well as corresponding lengthening on the amplified pulse when it can be compressed, a mix of two Yb:KYW crystals were utilized, with the spectral maxima of the amplification shifted relative to one another and with spectral profiling of your amplified radiation.
Adhesion Take a look at Compliant with MIL-C-675C navy criteria, an adhesion check associated making use of a tape that fulfills LT-90 specs onto the lens film layer. The tape was affixed totally and then removed vertically. This technique was carried out 3 times, causing no blistering or peeling.
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Spatial composition of the beam and also the corresponding intensity profiles I for the output from the laser.
... at 50 %-height were produced in a very learn oscillator with selfsynchronization with the axial modes, described within our before write-up. 21 The new edition in the laser, in contrast to that described within our before write-up, utilized an Yb:KYW crystal with an N pcut (optical axis N p of your index ellipsoid was parallel for the propagation course of the laser radiation), While using the polarization in the produced radiation directed together the N m axis.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the equivalent dimensions of these chemical aspects as many as 100% of Yb-doping may very well be obtained.
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Li2WO4-WO3 flux was properly applied lowering The expansion temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds into the P2/n House group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is a impressive materials that performs a very important function in laser technological know-how. Its Major purpose would be to make ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
Inquire RP Photonics for just about any guidance concerning tungstate lasers, which include femtosecond lasers and higher-ability lasers.