Custom multi-hole Laser Flow Tubes & Cavity Filters
Cascade Laser provides custom machined laser cavity filters and multi-hole laser flow tubes in a variety of different materials, including Pyrex, Quartz (Fused Silica), Cerium Doped Glass, and 5% or 10% Samarium doped Glass. We can create complex shapes to exacting specifications for use within laser cavities. These optical elements are often used as stand-alone flow tubes, but they can also be encapsulated in highly reflective materials like Barium Sulfate, known for it's reflective properties in the Near IR pump band.
The material chosen for the laser flow tube or cavity filter will depend on your application. Here is a brief overview of each material we offer....
Quartz Glass is more expensive than Pyrex. The advantage to using Quartz Glass is when you need the flow tube to transmit deep into the UV range. Quartz Glass will transmit UV down to about 200nm.
Cerium Doped Quartz
Samarium Doped Glass
After the glass is machined to shape, it is ground and then polished to clear both inside and out. Finally it goes through a chemical curing process that strengthens the glass. Because Samarium is machined to size, it can be made in just about any size and shape you can imagine.
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