Near UV Mercury Xenon Lamp The Near UV Mercury Xenon Lamp is a spherical point light source with features as small size and high light, strong emit between near UV and visible light. Near UV Mercury Xenon Lamp as UV light source used in photo engraving on concentrated circuit and in the industry as medicine, biology and fluorescence microscopy, etc. Far UV Spherical Mercury Xenon Lamp Far UV Spherical Mercury Xenon Lamp is a spherical lamp with steady light emitting very strong UV light in the scope between 200 to 300nm. Far UV mercury xenon lamp is key light source of far UV ray in the special instrument for the large scale intergrated circuit.