Dear Steven and others, Sometimes, Q is negative, when I use harminv to exploit resonant mode. One example is at http://ab-initio.mit.edu/wiki/index.php/Meep_Tutorial/Band_diagram%2C_resonant_modes%2C_and_transmission_in_a_holey_waveguide
In the third section(Band Diagram), the mode kx=0.4 and omega=0.1896, Q is -72081219798.9115. What does this mean? Thank you very much! mario __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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