The 5-Second Trick For KYW Crystal
The 5-Second Trick For KYW Crystal
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This one of a kind attribute of ultrafast pulses permits nonlinear optical conversation with tissue at minimal Total publicity, and drives apps including deep-tissue multiphoton microscopy and superior-precision eye operation
We present a twin-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output power up to 24 W and pulse duration of 20 ns,or like a regenerative amplifier with output energy up to 21 W and pulse period under 200 fs just after compression of chirped pulses. Both equally lasers have outstanding beam excellent with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Show potent peaks at 980 nm and 1030 nm, respectively, making sure effective energy conversion and higher general performance in laser techniques.
Optical format of the laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output on the radiation, WP is often a fifty percent-wave plate, CL is often a collimating lens, FL can be a concentrating lens, AE is really an Energetic factor produced from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is definitely the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Check Compliant with MIL-C-675C military services standards, an adhesion exam concerned applying a tape that satisfies LT-ninety specs onto the lens film layer. The tape was affixed completely and then eradicated vertically. This process was executed thrice, causing no blistering or peeling.
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Tungstates are likely to own substantial Raman coefficients (�?Raman scattering). Therefore, they're able to produce significant Raman acquire at reasonable optical intensities. It can be done to make use of the laser crystal by itself for a Raman converter.
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Superior-electricity repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
The thermal conductivity of popular double tungstates is on the order to 3–4 W/(K m) �?which is not undesirable compared with other laser crystals (Even though various instances under for YAG), and rather substantial in comparison Along with the thermal conductivity of regular Eyeglasses.
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At the same time, a shorter laser wavelength is usually received; it can be done to work having a quantum defect properly down below one%. As a consequence, the heat era is usually so compact that this partly compensates the lessen thermal conductivity.