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Technology Stocks : MRV Communications (MRVC) opinions? -- Ignore unavailable to you. Want to Upgrade?

To: Eric L. who wrote (8477)	4/29/1998 3:08:00 AM
From: Regis McConnell	Read Replies (1) \| Respond to of 42804

Via the Harmonic thread, an excellent reference to WDM. Any idea as to who has the patents? It isn't MRV because we state that we own no patents in the 10K, too bad. "Through a patented process, the high power from the laser diode is focused into a Nd:YLF (neodymium:yttrium lithium fluoride) crystalline laser and converted to 1047 nm with high efficiency, excellent spectral purity and with nearly diffraction-limited beam quality. The output beam quality of the DPSSL is so good that more than 90% of the DPSSL light is focused into the fiber, compared to less than 60% for a 980 nm pump. Using the DPSSL source, almost 700 mW is available for pumping a fiber amplifier as compared to less than 150 mW for a 980 mW pump of similar cost." "The 1047 nm output is converted to 1550 nm gain through a patented phosphosilicate glass fiber containing both erbium and ytterbium as a sensitizer. High-power operation has been obtained through the use of cascaded 980 nm pumped EDFA gain stages, though at a much higher noise penalty than a single stage YEDFA." exchange2000.com Also an updater on 'convergence'. techweb.com Regis