Temperature controller of optical module package

Details Temperature controller of optical module package Temperature controller of optical module package

1998-07-23

2000-01-04

Bennett, Henry

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

622592, F25D 1500

Patent

active

060097124

ABSTRACT:
A temperature controller of an optical module package comprises an optical element and first thermistor fixedly held over a first Peltier element housed in an optical module package with a base interposed therebetween; a second thermistor housed in the optical module package; and a second Peltier element with the optical module package fixedly attached thereon with a mount interposed therebetween. While temperature control of the optical module package is achieved by monitoring the temperature of the optical module package with the second thermistor and controlling the second Peltier element, temperature control of the optical element is achieved by monitoring the temperature of the optical element with the first thermistor and controlling the first Peltier element. The temperature controller of the optical module package is impervious to the effect of open air temperature and capable of saving required space.

REFERENCES:
patent: 4338577 (1982-07-01), Sato et al.
patent: 4884279 (1989-11-01), Odagiri
patent: 4947648 (1990-08-01), Harwell et al.
patent: 5267252 (1993-11-01), Amano
patent: 5392303 (1995-02-01), Shiozawa et al.
patent: 5446750 (1995-08-01), Ohtsuka et al.
patent: 5522225 (1996-06-01), Eskandari

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