KYW Crystal Options
KYW Crystal Options
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In functional phrases, the Yb:KYW crystal has located its niche in higher-energy laser purposes resulting from its capability to produce superior Electricity ultrashort laser pulses even though sustaining a compact sizing. The interplay of its functions �?seamless ytterbium substitution, sturdy absorption qualities, ultrashort pulse technology and effectiveness in Vitality conversion �?positions the Yb:KYW crystal as a cornerstone during the laser know-how, covering numerous fields ranging from scientific study to industrial programs.
The comparison with Eyeglasses is suitable since the massive obtain bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We present a twin-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electrical power as many as 24 W and pulse duration of 20 ns,or as a regenerative amplifier with output electrical power around 21 W and pulse period down below two hundred fs soon after compression of chirped pulses. Both of those lasers have fantastic beam top quality with beam parameter M2
Shade-coded reflectivity of the Bragg mirror being a perform of wavelength and angle of the incident beam.
Optical layout of the laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output in the radiation, WP is a fifty percent-wave plate, CL is often a collimating lens, FL is actually a concentrating lens, AE is definitely an active component made out of an Yb:KYW crystal, DM can be a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC is definitely the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C armed forces criteria, an adhesion test concerned making use of a tape that satisfies LT-ninety specifications onto the lens film layer. The tape was affixed entirely after which you can removed vertically. This method was carried out 3 times, leading to no blistering or peeling.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and are utilized as lasing elements to crank out ultrashort (~ 100-two hundred fs) large electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser devices.
Spatial construction on the beam as well as corresponding depth profiles I within the output of your laser.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of similar dimensions of these chemical aspects nearly one hundred% of Yb-doping could be reached.
The thermal conductivity of popular double tungstates is of your click here purchase to 3–four W/(K m) �?which is not undesirable when compared with other laser crystals (Whilst quite a few occasions below for YAG), and relatively large in contrast Along with the thermal conductivity of usual Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is a exceptional content that plays a significant purpose in laser technological know-how. Its Most important operate is to deliver ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
Ask RP Photonics for almost any suggestions about tungstate lasers, like femtosecond lasers and higher-ability lasers.