Mercury lamp can be suitable for photochemistry, printing,photo-curing etc.

GCQ (short-arc mercury vapour lamps) are short arc lamps in which the discharge arc burns in an atmosphere of mercury vapour at high pressure.

Their main characteristics and advantages are as follows:

·High radiance

·Multi-line spectrum

·High radiant power in the UV and the visible range

·AC or DC operation

Applications:

·Fluorescence microscopy and endoscopy

·Light guide applications

·Schlieren photography

·Hologram projection

·UV curing

·The manufacture of semiconductors , LCDs , PCBs.