optoelectronic products, namely, optelectronic integrated circuits; optical amplifying devices, namely, flared or tapered amplifiers, alpha-DFB amplifiers, fiber amplifiers, fiber lasers and optical communication systems employing such amplifiers and lasers, namely, optical fiber amplifiers and lasers for use in CATV networks, telephone communication networks, wavelength division multiplexor networks printing and materials processing, and barcode scanning; laser devices for medical use, namely, fiber pigtail lasers, packaged pump laser diodes, thermoelectrically cooled pigtail lasers, analog laser diodes, monolithic master oscillator power amplifiers (MOPA), unstable resonators, DBR laser diodes, DFB lasers, alpha-DFB lasers, narrow spectrum grating used as an optical filter, stabilized lasers, multi-beam individually addressable laser arrays, multi-beam segment addressable laser arrays, diffraction-limited laser diodes, index guided laser diodes, high brightness laser diodes, external cavity lasers, tunable lasers, and optical heads sold as an integral part with at least one of the above named devices; optical semiconductor devices, namely, laser diode collimators, laser diode drivers, connectorized laser diodes and photodiode modules and flared or tapered amplifiers or laser diodes; fiber optic devices, namely, fiber gratings, optical couplers, optical filters, optical isolators, optical attenuators, optical collimators, multimode and single mode pigtail lasers, optical isolated pigtails, polarization preserving pigtails, optical transmission systems, namely, optical power transmission systems and telecommunication systems for digital and analog communications, namely, optical transmitter modules and optical receiver modules and an optical link between such modules; integrated laser systems, namely, integrated laser systems for selective soldering or desoldering or welding, heat treating or annealing, curing, transformation hardening, cutting, sculpting, shaving, photodynamic evaluation, and research and study, integrated circuits, namely, opto-electronic integrated circuits for optical power and light applications; and replacement parts for all of the foregoing, namely, control electronic parts in the nature of drivers, thermal management products and heatsinks; all for use as integral components of medical equipment