Frequently Asked Questions

SQ is made of undoped silica with high OH content, while J-Plasil is made of undoped silica with low OH content. J-Plasil is developed particularly for the transmission in the VIS to IR wavelength range and offers further optimizing for the application in the IR range.

J-Plasil Fused Silica Rods are made for the VIS, NIR, and IR range. It is used for the efficient manufacturing of optical components such as lenses, mirrors, and plates, as well as for the production of special pre-forms.

Various doping materials such as Germanium, Fluorine, and Boron are available. Boron-doped fused silica rods (BDSR) are used for the production of polarization maintaining (PM) fibers in the so-called Panda design.

J-Plasil Fused Silica Rods are used in the design and production of preforms and process-controlled manufacturing of optical high-power fibers. It is also used for the production of special pre-forms.

J-Plasil Fused Silica Rods have excellent UV transmittance, very low fluorescence, high laser durability, low residual stress, very low thermal expansion coefficient, and high thermal stability.

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