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We experimentally investigated a walk-off-compensation method to improve the ultraviolet output power. We confirmed that the higher output-power improvement can be obtained in the narrower-beam case. The maximum output-power improvement was 3.0 times.
We describe femtosecond fiber laser systems optimized for high value applications in precision industrial micro-machining. Unprecedented system performance and reliability enable unique manufacturing capabilities for touch screen displays and other difficult-to-machine parts.
Lord Rayleigh's 2 dimensional (2D) whispering gallery mode (WGM) is based upon 2D total internal reflection (TIR) while 3D whispering cave mode (WCM) is based upon 3D TIR. By using the laser beam induced current technique in laser scanning microscopy we had the possibility to compare the laser structure photocurrent with the lasing emission. Similarities existing between the photocurrent density and...
The multi-mode interference effect in a multi-mode Ti:LiNbO3 waveguide has been analyzed depending on the wavelength and the polarization states of input wave at bout 1300 nm region.
A novel single crystalline silicon diamond-shaped atomic force microscope (AFM) cantilever for accurate mechanical tests of MEMS structures is presented. A strip bending test of micromachined gold thin film strip specimens has been performed using the proposed AFM cantilever. The experimental results show that a more accurate and uniform bending test is possible with this new cantilever by suppressing...
Second-Harmonic generation (SHG) has been demonstrated in a periodically poled lithium niobate (PPLN) waveguide fabricated by femtosecond laser pulses. The measured SHG wavelength was about 1562 nm in a 44.8-mm-long PPLN waveguide.
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