Method for controlling polarization and device therefor
JPH1030171A
Electron beam vacuum depositing device
JPH0933719A
Method and device for producing multilayered dielectric film filter
JPH08321663A
Operating method of external resonance wavelength variable semiconductor laser
JPH08288931A
Optical tunable filter
JPH08288932A
Peak transmitted wavelength retrieval device for optical tunable filter
JPH08114756A
Variable wavelength notch filter device
JPH08110487A
Variable wavelength filter device
JPH06237050A
Variable wavelength semiconductor laser
JPH07198935A
Selecting method of temperature coefficient for wavelength shift of multilayer film filter and multilayer film filter having almost zero temperature coefficient of wavelength shift
JPH06326382A
External resonance semiconductor laser
JPH06208022A
Solid etalon
JPH0621549A
Semiconductor laser capable of changing wavelength and external resonance unit
JPH05127018A
Strain removing method for substrate subjected to vapor deposition and filter