|Diameter/dimensional tolerances||+0/-0.1 mm|
|Thickness tolerance||±0.1 mm|
|Surface quality||20-10 S-D (BK7, UVFS)
40-20 S-D (ZnSe, Sapphire, CaF2, MgF2)
10-5 S-D (available for some items)
|Surface Flatness||<λ/10 - [email protected] nm (BK7, UVFS)
<λ/4 - [email protected] nm (ZnSe, S apphire, CaF2,MgF2)
|Protective chamfers||<0.25 mm x 45°|
Laser components require highly polished substrates as well as high performance coatings. Scattering, damage by laser light can occur if the substrate is made of inferior material or is inadequately polished. For UV and very high power applications we recommend using UVFS substrates. BK7 substrates are an economical solution for laser components used in many laboratory applications as well as in many devices and instruments.
Under customer request dielectric or metallic coatings can applied.
|Ideal for transmitting applications such as beamsplitters, windows, partial reflecting mirrors etc.|
|UVFS substrates are recommended for the UV and very high energy applications|
|Windows up to 500mm diameter are available|
|Altechna metrology lab applies following product inspection:|
|Visual inspection – surface quality evaluation according to MIL 13830 and ISO 10110 standards|
|Dimensions – measurement of geometrical dimensions, as diameter, thickness, etc.|
|Transmittance (Spectrophotometer, laser)*|
|Wavefront distortion (Interferometer)|
|Parallelism (Goniometer, interferometer)|
Polymer film First Contact™ is a unique product designed for laser optics protection, preservation and cleaning. For all sorts of optical items it serves as a protection layer from damages during shipping, long term storage, environment changes, etc. and removes all dust and other contamination after the film is removed from the optical surface. It is absolutely safe for almost all types of optics and optical coatings.*
- Protects against scratching, abrasion, dirt, and water damage. Also protects against corrosion caused by water vapor, oxygen, and sulfur.
- Cleans the surface, removes particulates and organic contaminants.
- Leaves no residue.
- Leaves no hazardous waste.
- Safe to store for up to 4 years (period may be extended depending on storing conditions).
- Comes off in one piece.
- Does not lift metal from metal films.
- Safe with temperatures up to 200° C.
- Environmentally friendly
* Protective polymer cannot be used with optical components sensitive to acetate.
Price – 3 EUR per item (price includes coating service and polymer)
If you want to order protective coating please select "Optics Protection" in the catalog list.
Holding the sticker slowly peel the film starting from the edge. If necessary place the optic in its corresponding mount prior to removing the film.
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