art by my mom, Carolyn Ellingson, with much more to see at artgroove.com™ Precise Spectral Phase Filtering of Broadband Incoherent Light with Higher-order Spatial Dispersion Compensation

"Precise spectral phase filtering of broadband incoherent light with higher-order spatial dispersion compensation"

art by Scott Hirschberg (I got a great deal on this piece) Red Domino

"Red Domino" intaglio with color plates