Fiber optic temperature control system

A fiber optic temperature control system comprising:

• a temperature measuring control system comprising:
• a first temperature controller;
• a first fiber optic probe having a first end, a second end, and an elongated body extending between the first end and the second end;
• and
• a first opto-electronic converter that includes a first light source, a first detector, and a first processing unit;
• an overtemperature measuring protection system comprising:
• a second overtemperature protection controller;
• a second opto-electronic convertor that includes a second light source, a second detector, and a second processing unit;
• and
• a second fiber optic probe,
• wherein the overtemperature measuring protection system is an independent temperature measuring system from the temperature measuring control system;
• a heater having a power source and a driver to activate the heater;
• a heater controller in communication with the driver of the heater, the temperature measuring control system and the overtemperature measuring protection system;
• and
• a sensor coupled to the second end of the first fiber optic probe and, in operation, being in close proximity to the heater, the first light source of the temperature control system providing excitation light to the sensor, light emitted from the sensor being transmitted to the first detector, and the first processing unit processes the emitted light and determining a temperature of the heater;
• wherein the heater controller receives a control signal from the first temperature controller to stabilize a heater temperature at a predetermined range, and wherein the heater controller receives a shutdown signal from the overtemperature protection system when it detects a failure of the temperature measuring control system and/or when the heater temperature is above the predetermined range to turn off the heater.