KYW Crystal Options
KYW Crystal Options
Blog Article
The gain bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly significant when compared with that of Yb:YAG. This allows for vast wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values well beneath 100 fs are already accomplished with passive mode locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a outstanding materials that performs a significant part in laser technological know-how. Its Major operate will be to create ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
FIG. four. Autocorrelation functionality of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active aspect for an output power of seven hundred mW. The width of
Optical layout of a laser with immediate pumping Together with the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output of the radiation, WP is a 50 %-wave plate, CL can be a collimating lens, FL is a concentrating lens, AE is definitely an active aspect created from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 are definitely get more info the cavity mirrors, OC is the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
The monoclinic crystal structures ends in a normal birefringence, assisting to prevent thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical capabilities owing on the existence of thulium ions, and as a consequence the supplies could possibly be further examined while in the scope of laser and luminescence apps.
Spatial framework on the beam plus the corresponding intensity profiles I in the output on the laser.
For tungstates, the ytterbium doping focus can be very superior without having significant quenching since the changed ions have a really related ion radius, and the inter-ion distance is fairly large.
... Not merely the situation of crystal during the cavity but will also the amplification axis of crystal affects the laser Procedure greatly, because the absorption and emission cross sections of the crystal are fairly various according to the orientation of the crystal.
There are no merchandise as part of your cart. Add merchandise for your cart and ask for an official estimate or buy on the net Subtotal
There won't be any merchandise in your cart. Include things to the cart and ask for an official estimate or purchase on the internet Subtotal
There won't be any objects as part of your cart. Insert objects in your cart and request an Formal estimate or order online Subtotal
Concurrently, a shorter laser wavelength is often acquired; it is possible to work using a quantum defect nicely down below 1%. As a consequence, the heat technology might be so smaller that this partly compensates the lessen thermal conductivity.