1 X N digitally programmable optical routing switch
1-μm phosphate-glass fiber amplified spontaneous...
1.06 &mgr;m band optical amplifier apparatus utilizing...
1.4-1.52 &mgr;m-band optical amplifier
1.5 .mu.m wavelength asymmetric fabry-perot modulator with negat
10x zoom ratio wide-angle zoom lens
1D and 2D composite lenticular films and fabrication methods