4.9mw Diode Green Laser

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  • Efficient CW laser at 559 nm by intracavity sum-frequency mixing in a self-Raman Nd:YVO4 laser under direct 880 nm diode laser pumping
    In summary, an efficient yellow- green emission at 559 nm generated by intracavity sum-frequency mixing of the fundamental and first-Stokes fields generated within an Nd:YVO4 self-Raman laser . With a 18.3 W diode pump power, as high as 890 mW of CW output power at 559 nm is achieved, corresponding to an optical-to-optical conver- sion efficiency of 4.9 % with respect to the incident pump power …
  • http://www.photon.ac.cn/EN/abstract/abstract12306.shtml
    Abstract  A diode -pumped,Cr:YAG passively Q-switched Nd:YAG laser with an ultraviolet output at 266 nm is studied. … W,the passively Q-switched average power infrared output power reached 2.2 W,and the period of the pulse was 40 ¦Ìs,and the width of the pulse was 18 ns,and the peak power rose up to 4.9 kW. Taking KTP as the second harmonic generation crystal,532 nm green light average power was 850 mW ;Taking BBO crystal for fourth harmonic generation outcavity,266 nm ultraviolet average output power was 215 mW,the efficiency of green to ultraviolet conversation was …
  • Development and validation of a custom made indocyanine green fluorescence lymphatic vessel imager
    Table 1 Specification for the components used in the design of the indocyanine green (ICG) fluorescence lymphatic … Eight laser diode flashlights12 Pulsar, L-808S laser diode Wavelength: 780 nm Lens diameter: 22 mm Equivalent IR power: 250 mW Laser class: class 1 Range of power adjustment (min/max): 125 to 250 mW Range of beam divergence: 4.5 deg to … Video camera13,14 Panasonic, B/W WV-BP330 Series camera 1/3 in. CCD Scanning area: 4.9 ðHÞ × 3.7 ðVÞ mm Scanning system: 2:1 interlace Video output 1.0 V [p-p] EIA composite 75W/BNC connector .
  • Efficient doubling of femtosecond pulses in aperiodically and periodically poled KTP crystals
    This corresponded to fundamental beam waist radii inside the samples of 4.9 µm and 7 µm and confocal parameter (b) values of 0.26 mm and 0.54 mm. … frequency-doubled average power generated at 522 nm using crystal B for 290 mW of input fundamental … Given that the total diode pump power for this Yb:KYW femtosecond laser was about 970 mW this corresponded to an optical-to-optical conversion efficiency of 17%. No green power degradation was observed during observational periods of hours.
  • Triple resonant four-wavemixing boosts the yield of continuous coherent VUV generation
    The third fundamental beam at 540 nm is produced with a grating stabilized diode laser at 1080 nm boosted by a fiber amplifier system (Koheras, Boostik) and frequency doubled by a modified commercial frequency- doubling cavity (Spectra Physics, Wavetrain). This system is capable of producing up to 4 W of green light at 545.5 nm … For the present experiments we operate the IR laser at 740 mW , which gives 280 mW of … The VUV beam is large at the fundamental focus (w ≈ 4.9 mm) and therefore the mirror just casts a shadow in the VUV beam, causing ≈ 30% loss.
  • EO Tech Tools - Laser Spot Size Calculator
    54-025 - 4.9mW 635nm, VHK Circular Beam Visible Laser Diode 55-789 - Ultra Bright Green Laser Pointer .
  • VHK™ Circular Beam Visible Laser Modules | Edmund Optics
    • Output Power from 0.95 to 4.9mW A new selection of compact, high-efficiency diode laser modules with clean, circular beams for applications where visual spot quality is important. -40 to +80°C, 1.0 oz. weight, green on/off LED, 36" leads, fully-shielded drive circuitry, reverse …
  • High‐power pure blue laser diodes
    The vertical layer structure was de- signed to have an absorption loss of 4.9 cm–1 and an internal quantum efficiency of 91%. the operating current density to 6 kA/cm2 under 750 mW continuous-wave operation at 35 °C by … Lasers emitting red, green and blue radiation can be employed as light sources in various projection display systems. Replacing gas and solid-state laser sources with laser diodes (LDs) results in further advantages in terms …
  • 52.3: High ‐ Power InGaN Blue ‐ Laser Diodes for Displays
    The operating current and voltage of these LDs at an output power of 200 mW were 274 mA and 4.9 V, respectively. Since the first demonstration of a pulsed InGaN multi quantum well (MQW) laser diode (LD) grown on sapphire substrate in 1995 [1], we have been developing longer lifetime and higher power LDs with an emission wavelength 400-410 nm band. And high power second harmonic generation (SHG) green lasers have been developed.
  • All-solid-state cavity-dumped sub-5-fs laser
    We obtain a pulse duration of ∼ 4.8 fs for the decorrelated pulse in the first loop and ∼ 4.9 fs for the output of the entire algorithm confirming the pulse duration and its shape derived in Sect. … discussed a compact and robust light source that generates sub-5-fs, 2- MW pulses at variable … We foresee several applications of this ultrafast laser . … that can be used as a probe for spectral events from the blue- green part of the … With smaller diode -pumped light sources coming on the market there is every reason to believe that …