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Third Harmonic

Third Harmonic news and technical articles from BioOptics World. Search Third Harmonic latest and archived news and articles

  1. DISEASE DIAGNOSTICS: Third -harmonic generation reveals malarial infection

    Online Articles

    Sat, 1 Mar 2008

    nonlinear optical effect known as third - harmonic generation. “It’s the optical ..... huge nonlinear response for the third harmonic ,” Wiseman says. Zapped with infrared ..... fluorescence (red, left) and third - harmonic generation (blue, left

  2. MICROSCOPY/NEUROIMAGING: Third -harmonic generation enables label-free imaging of live brain tissue

    Magazine Articles

    Sun, 1 May 2011

    contrast imaging of live brain tissue at cellular resolution, without the need for fluorescent probes, using optical third - harmonic generation (THG). How the technique works: By changing the focus of the laser beam, researchers can visualize

  1. NONLINEAR OPTICAL MICROSCOPY: Ultrafast SPOPO enables deeper tissue imaging

    Online Articles

    Sun, 1 Jul 2007

    Nonlinear-microscopy techniques such as second- and third - harmonic generation (SHG and THG) and multiphoton laser-scanning ..... Click here to enlarge image FIGURE 3. For this third - harmonic -generation image of collagen extracted from the

  2. NONLINEAR MICROSCOPY/LABEL-FREE DEEP-TISSUE IMAGING: Long-wavelength lasers push SHG toward preclinical and clinical apps

    Magazine Articles

    Mon, 19 May 2014

    CARS ), second-harmonic generation (SHG), and third - harmonic generation (THG). In addition, there is a growing ..... light is coherently converted to the second- or third - harmonic wavelength when certain optical conditions are met

  3. Nonlinear microscopy pro exposes strengths and limits of various techniques

    Online Articles

    Tue, 7 Apr 2009

    laboratories around the world. Among the techniques planned for discussion are multiphoton microscopy , second and third harmonic imaging , and coherent anti-Stokes Raman (CARS) microscopy. Produced by BioOptics World , the program, titled

  4. LASER-TISSUE INTERACTION: Endogenous chromophores alter plasma formation during microsurgery

    Online Articles

    Fri, 4 Jan 2008

    near-UV wavelengths.1 Using both the second and third harmonic (532 and 355 nm, respectively) of a Q-switched ..... they have been surprised to discover that their third - harmonic results were actually quite different from those at

  5. Ultrafast lasers advance deep-tissue imaging

    Magazine Articles

    Sat, 1 Mar 2008

    methods that utilize ultrafast lasers have evolved, including three-photon fluorescence excitation, second- and third - harmonic generation (THG), coherent anti-Stokes Raman spectroscopy (CARS), and other types of nonlinear optical effects

  6. CELLULAR IMAGING: Novel nonlinear contrast improves deep-tissue microscopy

    Online Articles

    Fri, 1 Jun 2007

    anisotropic media; thus, such images primarily highlight collagen, like connective structures in the dermis. Third - harmonic generation has also been reported, but very high powers are needed. Coherent anti-Stokes Raman microscopy (CARS

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