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nonlinear crystals News
Ultrafast Yellow Laser Ramps Up the Power for Biomedical Applications
AHMEDABAD, India, Sept. 11, 2020 — Researchers at the Physical Research Laboratory at Gujarat University have developed a compact and ultrafast high-power yellow laser. The tunable laser shows excellent beam quality, helping fill a need for a practical yellow light source emitting ultrafast light pulses. While studies have shown lasers in the yellow spectral range are useful for certain medical treatments, their wavelengths are typically created using bulky and inefficient copper vapor lasers, dye lasers, and optical
Visible Supercontinuum with Orientation-Patterned Gallium Phosphide
May 26, 2020 — Supercontinuum generation occurs when intense laser light creates nonlinear processes in a material and produces a continuous, broad spectrum of colors. It is a well-known phenomenon in bulk media and in optical fibers, and is also an important...
IR Metrology with Visible Light
May 31, 2019 — IR instruments are indispensable tools for material analysis, environmental sensing, and homeland security. Through decades of development and commercialization, one common and significant limitation has been the weak efficiency of IR optical...
Quantum Imaging Method Doesn’t Need Light to Touch Object
TYROL, Austria, and VIENNA, Aug. 29, 2014 — A new quantum imaging technique can acquire an image of an object without ever detecting the light used to illuminate it. Typically, to obtain an image of an object it must be illuminated with a light beam and a camera used to sense the light that...
DTU Branches Out with New Laser Tech Company
ROSKILDE, Denmark, Feb. 19, 2014 — The Technical University of Denmark (DTU) has branched out with the formation of Norlase, a new company specializing in a unique class of visible lasers.
Gaining chirped pulse amplification with fiber only
VILLENEUVE D’ASCQ, France – Optical parametric amplification is a common method for improving laser-based telecommunications by boosting signal strength across long lengths of fiber optics. If you chirp the signal pulses – stretching and recompressing each pulse –...
Shasta Crystals Nabs Phase II SBIR Grant
ANDERSON, Calif., Sept. 1, 2010 — Crystal growth company Shasta Crystals Inc. announced Monday that it was awarded $493,883 from the National Science Foundation for a Phase II project. Titled, “Low Cost High Quality Nonlinear Optical Crystals for Laser Light Sources for...
Cristal Laser Marks 20 Years
MESSEIN, France, May 10, 2010 — To celebrate its 20th anniversary, Cristal Laser looks back on its success as a leader in the growth of nonlinear materials. The company began as a spinoff of the University of Sciences at Nancy with a patent based on halide flux-grown KTP...
Tiny Dichroic Mirror Can Boost Frequency-Doubling Efficiency
Jan 1, 2007 — The second-harmonic conversion efficiency of gallium arsenide can be several times as great as that of conventional nonlinear crystals such as lithium niobate. Moreover, because semiconductor lasers also can be fabricated from the material, the...
Mid-IR Spectrometer Incorporates Difference-Frequency
May 1, 2006 — Scientists at Istituto Nazionale di Ottica Applicata of the Consiglio Nazionale delle Ricerche in Pozzuoli, Italy, have demonstrated a 2.9- to 3.5-µm integrated cavity output spectrometer that employs a difference-frequency generator as its source....
Mode-Locked Parametric Oscillator Produces 700-ps Pulses
May 1, 2006 — Until the development of periodically poled nonlinear crystals with high, broadband parametric gain, mode-locking an optical parametric oscillator (OPO) was an unlikely proposition at best. Recently, however, a collaboration among several...
BiB3O6 Generates 990-mW Second Harmonic with 52 Percent Efficiency
Feb 1, 2006 — Nonlinear optics has proved to be a valuable tool for extending the tuning range of fixed-wavelength lasers into new spectral regions. When outputs in the visible and ultraviolet are desired, two nonlinear crystals, β-BaB2O4 (BBO) and LiB3O5...
New Nonlinear Crystal for Infrared OPOs
Nov 1, 2005 — A collaboration of scientists in France, Russia and Germany has demonstrated an optical parametric oscillator (OPO) based on a new nonlinear crystal, lithium selenoindate (LiInSe2, abbreviated LISe). The investigators believe that their results are...
Forecasts for Nonlinear Optical Materials Market
Jul 1, 2005 — Currently estimated at $856 million, the global market for nonlinear optical materials is expected to reach $1.66 billion by 2009, according to the report RGB-117N Non-linear Optical Materials Applications from Business Communications Co. Inc. of...
Periodically Poled MgO:LiNbO3 Generates High-Power Green
Jun 1, 2004 — Although green powers in excess of 1 W have been generated with periodically poled LiNbO3 (PPLN), the results have been obtained only when the nonlinear crystal is heated to temperatures significantly above 100 °C, so as to avoid deleterious...
Crystal Offers High Fourth-Harmonic Conversion Efficiency
Oct 1, 2003 — Few nonlinear crystals are available whose transmission and nonlinearities are compatible with the efficient generation of the fourth harmonic of Nd:YAG at 266 nm. KBe2BO3F2 (KBBF) has many desirable parameters: It has a high damage threshold and...
Nd:YAG Produces 2.8 W of Blue Light
May 1, 2003 — Researchers at the Institut für Laser Physik at Universität Hamburg in Germany have set a record for blue CW power generated from a diode-pumped solid-state laser, using a new nonlinear crystal, BiB3O6 (BiBO), to frequency-double the 946-nm line of...
(17 results found)
May 2024
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