Quartz Tube & T3 Halogen Lamps

General Description:

A quartz glass tube or halogen lamp is an assembly consisting of a filament (Tungsten) placed in a quartz tube, where the air is evacuated and filled with inert gases like Nitrogen and Argon. A small amount of halogen gases is usually added to prolong heater life. Therefore the different names (Halogen lamp, Quartz halogen lamp).

Quartz glass lamps were originally designed for lighting applications, but when a lamp is at full power less than 5% of the emitted energy is in the visible spectrum. The other 95% are emitted in the infrared spectrum. The filament temperature is up to 2500 degF, which produces infrared energy in the short to medium wavelength and it's transmitted through the quartz.

Short wave infrared emitters require a phase fired (as opposed to a zero cross) power control with soft start capabilities.

Infrared Applications for quartz tubes and lamps

With up to 200 watts per linear inch, wavelength in the short to medium range, reach of full temperature in less than a second, these infrared quartz heaters are used in various applications. For increased wattage, they can be constructed in duo tube version. Quartz infrared tubes produce more wattage per linear inch than any other heating element.

Duo-Tube Quartz heaters

Casso Solar duo tubes are available with a dual coat integral gold reflective coating or an integral white refractory that directs the infrared energy to the product without the need for external reflectors. The gold coating is the most efficient reflective material for all infrared energy up to 1400 degF. The white refractory will provide a wider infrared emission spectrum and is suitable for up to 1750 degF. The gold coated duo tube quartz heaters are significantly more expensive then the refractory style. Here is the product brochure P106 with pictures. You will need a phase angle SCR with soft start capability as a power controller.

Below is an overview over the different infrared emmitters

Quartz Tube

Different terminations for quartz halogen tubes