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  • Laser Tuning with Diffraction Gratings
    NOTE. Laser Tuning with Diffraction Gratings: Technical Note 1. LASER TUNING WITH DIFFRACTION GRATINGS. Light incident on a diffraction grating is dispersed away from the grating surface at an angle which depends on. the wavelength, so a grating can be used to select a narrow spectral band from
  • Introduction to reflective aberration corrected holographic diffraction gratings
    groove shape makes aberration correction possible. This new design parameter has made. possible a new class of instrument designs, aberration corrected concave grating designs. ��. Introduction to reflective aberration corrected holographic. diffraction gratings. By Steve Slutter, Wu Jiang, and Olivier
  • Introduction to Reflective Aberration Corrected Holographic Diffraction Gratings (.zip file)
  • Diffraction, Fourier Optics and Imaging - Preface
    that allow. diffraction to be expressed in terms of the Fourier transform. As a special application. area for these approximations, diffraction gratings with many uses are described. Diffraction is usually discussed in terms of forward wave propagation. Inverse. diffraction covered in Chapter 6
  • Introduction to Volume Holographic Gratings (VHG)
    and reflection gratings can. reveal the common characteristics of the VHG. Consider a non-slanted transmission grating with. index modulation n1 and thickness D. The diffraction efficiency η is defined as the ratio between. Ondax, Inc. Copyright 2005. Page 2. Ondax, Inc. http://www.ondax.com. P:626.357.9600
  • A Novel Tunable Diode Laser Using Volume Holographic Gratings (.pdf)
    holographic gratings, self-aligned,. passive alignment. 1. INTRODUCTION. State-of-the-art Littrow and Littman external cavity lasers (ECL) use an angularly dispersive surface diffraction grating. as the frequency selective element and a rotation scheme to provide wavelength tuning [1]. Although
  • Seeing In Nanometers: Laser And Gratings Make Tiny Motions Visible To Human Eye
    grating layer is hidden below the first. The area of the grating itself is 10 X 10 mm. The scale bar at bottom represents 10 mm. A researcher studies tiny motions formerly invisible to the human eye, using a laser beam interacting with a diffraction grating fabricated at Sandia's Microelectronic
  • High Spatial Resolution Measurement of Volume Holographic Gratings
     to a model of the grating diffraction combined with the cyclical. interference from the surface reflections in order to increase the accuracy when measuring uncoated gratings. The. system is capable of simultaneously measuring diffraction efficiency, loss, surface reflectivity, Bragg angle, and. grating

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