... or 1480nm high linearity, optical isolation,5. The DFB, thermoelectric cooling DFB laser produced by JDSU, Fujitsu, Nortel, Lucent, ... with the light power export stable circuit and laser Thermoelectric cooling device Temperature stability control circuit to ensure optimal ... an optional DC48V power supply (reservations required); chassis cooling automatic temperature control.3. Intuitive: The laser is ...