Facts About KYW Crystal Revealed
Facts About KYW Crystal Revealed
Blog Article
The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is very large in comparison with that of Yb:YAG. This enables for broad wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values perfectly beneath 100 fs are actually realized with passive mode locking.
It is a preview of subscription information, log in by way of an establishment to check obtain. Obtain this text
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heart beat
Coloration-coded reflectivity of a Bragg mirror for a functionality 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 strong linear arrays of semiconductor injection lasers getting fiber output. To prevent spectral narrowing through amplification as well as the corresponding lengthening of your amplified pulse when it truly is compressed, a mix of two Yb:KYW crystals have been utilized, While using the spectral maxima in the amplification shifted relative to each other and with spectral profiling with the amplified radiation.
Right after air drying and subsequent cleansing having a cotton fabric soaked in Alcoholic beverages, the film floor showed no signs of peeling or scratches.
FIG. one. Optical format of a laser with direct pumping with the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output
5 mm aside from the middle of the beam caustic. In an effort to Test the method matching simulation, we executed the experiment with Ng-Minimize crystal oscillator, which was developed Formerly and in a very same condition with simulation [11]. As revealed in Figure 3(b) with pink dots and line, the CW output power is highly dependent on the placement of laser crystal along with the experimental result coincides effectively with simulation result. Being a Observe, multimode operation occurred in experiment if the sizing of the pump beam is more substantial than TEM00 cavity mode and it triggers better KYW Crystal CW output electrical power within the displacement area below 3.5 mm.
For tungstates, the ytterbium doping concentration can be extremely higher with no major quenching because the replaced ions have an incredibly related ion radius, and the inter-ion length is comparatively substantial.
... Not merely the position of crystal while in the cavity but in addition the amplification axis of crystal has an effect on the laser operation drastically, because the absorption and emission cross sections in the crystal are really distinct according to the orientation from the crystal.
The thermal conductivity of prevalent double tungstates is on the order to three–4 W/(K m) �?which is not lousy in contrast with other laser crystals (Whilst numerous periods under for YAG), and fairly substantial in comparison Using the thermal conductivity of usual glasses.
This tandem of attributes has much-reaching implications, specifically in the development of compact still powerfull lasers.
EKSMA Optics uses cookies to give you the ideal shopping working experience. When you proceed to use our expert services, We are going to presume that you choose to comply with the use of these cookies.
At the same time, a shorter laser wavelength might be attained; it can be done to operate using a quantum defect properly underneath one%. To be a consequence, the heat technology can be so little that this partly compensates the reduce thermal conductivity.