Optical Properties of Sub-Wavelength Dielectric Gratings and their Application for Surface Enhanced

 
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Old 02-07-2011
Optical Properties of Sub-Wavelength Dielectric Gratings and their Application for Surface Enhanced

HPL-2011-17 Optical Properties of Sub-Wavelength Dielectric Gratings and their Application for Surface Enhanced Raman Scattering - Hu, Min; Fattal, David; Li, Jingjing; Li, Xuema; Williams, Stanley R.; Li, Zhiyong
Keyword(s): Sub-wavelength grating, surface enhanced Raman, dispersion relation
Abstract: We fabricated and measured the far-field optical properties of a sub-wavelength Si3N4 (silicon nitride) two dimensional grating. Frequency-dependent transmission measurements from a white-light source revealed that both transverse magnetic (TM) and transverse electric (TE) modes were excited on the ...
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SDL::Cursor(3)						User Contributed Perl Documentation					    SDL::Cursor(3)

NAME
SDL::Cursor - a SDL perl extension SYNOPSIS
$cursor = SDL::Cursor->new( -data => new SDL::Surface "cursor.png", -mask => new SDL::Surface "mask.png", -x => 0, -y => 0 ); $cusor->use; DESCRIPTION
the SDL::Cursor module handles mouse cursors, and provide the developer to use custom made cursors. Note that the cursors can only be in black and white. METHODS
new( -data => $surface_data, -mask => $surface_mask, x => $x, y => $y) Creates a new cursor. The <C>-data</C> and <C>-mask</C> parameters should be both black and white pictures. The height and width of these surfaces should be a multiple of 8. The <C>-x</C> and <C>-y</C> are the coordinates of the cursor 'hot spot'. warp($x, $y) Set the position of the cursor at the <C>$x</C>, <C>$y</C> coordinates in the application window. use() Set the cursor as the active cursor. get() When used statically <C>SDL::Cursor::get()</C>, it will return the instance of the current cursor in use. Called as a method, it will return itself. This method can be useful if you are dealing with several cursors. show($toggle) Set the visibility of the cursor. A false value will make the cursor invisible in the Application window. A true value will show it back. AUTHOR
David J. Goehrig SEE ALSO
perl SDL::Surface perl v5.12.1 2010-07-05 SDL::Cursor(3)