Specular Reflectors (Flowtubes) for Lamp Pumped Laser Heads
A Reflector element is machined out of a block or a rod of carefully selected high optical quality Glass or Quartz Glass material, un-doped or doped with the appropriate rare earth or metal ions, depending on the filtering results we are looking after and on the state of the available doping/filtering optical materials technology. From its skilled alignment during the deep-boring to produce the holes that shall house the rods and lamps, till its polishing stage, the highest parallelism and perpendicularity tolerances must be observed in order to achieve an efficiently operating element. The polished exterior cylin¬drical surface is then coated with HR silver and/or other metallic coatings, to form the high efficiency Specular Reflector. We are measuring and controlling the transmission characteristics of the produced Reflector elements using Zeiss spectrophotometer. We can use chemical and electrochemical (Galvanic) coatings with Silver/Nickel and Copper/Nickel or other layers to shape the Reflector surface.
- Material: Fused Silica, UV Fused Silica, Doped Glass
- Type Of Ceramic: Not Applicable
- Component Type: Flowtubes, Specular Reflectors
- Max Length: 120 mm
- Max External Diameter: 50 mm
- Surface Quality (Scratch-Dig): 60-40
- Glass Dopant Element: Cerium, Samarium, Europium or Titanium
Specular Reflectors combine and integrate in one solid optical element attributes and technical characteristics necessary to perform simultaneously the following functions:
(a) cooling duct for both lamp(s) and laser rod(s);
(b) filtering-absorbing undesired UV radiation, thus protecting the rod from long term solarization;
(c) attenuating “lateral depumping” effects i.e. energy losses caused by the rod’s side emission, by absorbing it and preventing its back-reflection
(d) reflecting of lamp emitted light energy for pumping of laser rod.
Various sizes and shapes of multifunctional Reflector structures to be used in Solid State Laser Heads are usually available within short notice in a tube-like form of circular and elliptical profile. Typically they can house one or more lamps or rods. We can deliver Reflectors both unpolished, polished/uncoated and polished/coated with Metallic coating (usually silver).
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