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Spectra-Physics; its founding; role played by John Atwood of Perkin-Elmer; the 1.15 micron and 6328A helium-neon lasers; relation with Bell Laboratories scientists; Bloom’s role at Spectra-Physics; Spectra-Physics’s transition from a technologically to commercially oriented firm; the 3.39 micron helium-neon line; consultant at Coherent, Inc.
Background at the University of Michigan and with Trion Instruments Company. Manager of accessory-product development at Spectra-Physics. Coherent Radiation Inc.; the coherent CO2 laser. Spectra-Physics-Coherent rivalry. Coherent's service and customer-training policies. Sources of capital. Developing a commercial argon-ion laser. The start of profitability for Coherent in 1969.