KYW Crystal - An Overview

KYW Crystal - An Overview

Blog Article

In practical conditions, the Yb:KYW crystal has discovered its area of interest in high-electric power laser applications as a result of its ability to generate high Vitality ultrashort laser pulses whilst maintaining a compact dimension. The interaction of its options �?seamless ytterbium substitution, strong absorption attributes, ultrashort pulse technology and performance in Electricity conversion �?positions the Yb:KYW crystal being a cornerstone inside the laser engineering, masking various fields starting from scientific investigate to industrial programs.

The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is actually a amazing product that performs an important function in laser know-how. Its Key functionality should be to crank out ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.

Femtosecond laser based on Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heart beat

FIG. four. Autocorrelation purpose of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Energetic ingredient for an output power of 700 mW. The width of

Ultrafast lasers, with pulse widths of some picoseconds (10−twelve s) or considerably less, allow some time resolution necessary in laser-enthusiastic fluorescence lifetime spectroscopy and imaging approaches.Also, they deliver substantial pulse peak powers at high repetition charges and average typical output powers.

Just before the event of Nd:YAG, Nd3+:CaWO4 was a vital scarce-earth-doped laser obtain medium. It had been in fact used in the first constantly running crystal laser.

FIG. one. Optical format of a laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output

Tungstates are likely to have large Raman coefficients (�?Raman scattering). For that reason, they might generate significant Raman acquire at moderate optical intensities. It is possible to utilize the laser crystal alone for a Raman converter.

For tungstates, the ytterbium doping concentration can be extremely superior with no substantial quenching because the replaced ions have an extremely identical ion radius, and the inter-ion length is relatively big.

Substantial-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications

While ytterbium-doped laser acquire media normally exhibit a small quantum defect, ytterbium-doped tungstates enable for notably modest values. One example is, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, While Yb:KGW or Yb:KYW could possibly be most effectively pumped about 981 nm.

This tandem of characteristics has much-reaching implications, significantly in the construction of compact nevertheless powerfull lasers.

EKSMA Optics employs cookies to give you the finest purchasing experience. When you proceed to employ our companies, We're going to presume that you choose to agree to the use of these cookies.

Concurrently, a shorter laser wavelength might be obtained; it can be done to function having a quantum defect perfectly underneath one%. get more info Being a consequence, the warmth era is usually so modest this partly compensates the reduced thermal conductivity.