{HEAD ~ The present invention} relates to {TAIL ~ an optical node device} that includes, for example, a wavelength selective optical switching device, a wavelength blocker device, and the like, used in a liquid crystal spatial light modulating element used in the field of optical communications 
{ HEAD ~ The present invention } relates to { TAIL ~ an optical node device } that includes , for example , a wavelength selective optical switching device , a wavelength blocker device , and the like , used in a liquid crystal spatial light modulating element used in the field of optical communications
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH