Helping The others Realize The Advantages Of KYW Crystal
Helping The others Realize The Advantages Of KYW Crystal
Blog Article
EKSMA Optics utilizes cookies to provde the best purchasing expertise. If you continue on to utilize our services, We are going to assume that you just conform to the use of such cookies.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is really a outstanding content that plays a very important role in laser technologies. Its Main perform would be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
The Yb:KYW crystal’s proficiency in gentle absorption at about 981 nm tends to make the crystal well suited for diode pumping. It's additional enhanced by its exceptional efficiency in this method, coupled with its low quantum defect.
Color-coded reflectivity of a Bragg mirror like a operate of wavelength and angle with the incident beam.
Ultrafast lasers, with pulse widths of some picoseconds (ten−twelve s) or fewer, help enough time resolution essential in laser-enthusiastic fluorescence lifetime spectroscopy and imaging techniques.What's more, they supply substantial pulse peak powers at substantial repetition prices and average regular output powers.
After air drying and subsequent cleaning which has a cotton cloth soaked in Liquor, the movie surface showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are applied as lasing elements to create ultrashort (~ 100-two hundred fs) higher power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser techniques.
A significant brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be extremely high with no substantial quenching since the changed ions have an exceedingly equivalent ion radius, and the inter-ion distance is fairly significant.
... Not only the place of crystal inside the cavity but in addition the amplification axis of crystal impacts the laser operation enormously, as the absorption and emission cross sections with the crystal are rather diverse based on the orientation from the crystal.
The thermal conductivity of frequent double tungstates is of the purchase to three–4 W/(K m) �?which isn't bad in comparison with other laser crystals (although quite a few moments less than for YAG), and reasonably significant in contrast Along with the thermal conductivity of typical glasses.
Li2WO4-WO3 flux was correctly applied lowering the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds towards the P2/n Area group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at room temperature had been measured. The emission spectrum and life time on the 3 F 4 fired up condition ended up decided. Applying standard and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes were calculated and good agreement with the experimental results was attained for both of those theories.
Concurrently, a shorter laser wavelength may be attained; it is feasible to work by using a read more quantum defect well below 1%. As a consequence, the heat technology could be so compact that this partly compensates the decrease thermal conductivity.