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Description
Material
Diameter
Thickness
Transmitted wavefront distortion
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YAG Windows
Sapphire Windows
CaF2 Windows
| YAG Windows | Sapphire Windows | CaF2 Windows | |
| Material | undoped YAG, orientation [100] | sapphire, orientation c-cut [111] | single crystal CaF2, orientation [001] |
| Clear aperture | >90% of diameter | ||
| Diameter tolerance | +0.00/-0.13 mm | ||
| Thickness tolerance | ± 0.2 mm | ||
| Surface quality | 20-10 scratch & dig | 60-40 scratch & dig | 40-20 scratch & dig |
| Transmitted wavefront distortion | λ/4 - λ/10 @ 633 nm | < 1 λ @ 633 nm | λ/4 @ 633 nm |
| Parallelism | <10 arcsec | <3 arcmin | <1 arcmin |
| Coating | uncoated | ||
| EKSMA Optics Femtoline Crystal Windows for Continuum Generation
61.97 kB |
The interaction of intense laser pulses with transparent media (the crystals with cubic structure are more effective) can result in vast spectral broadening, ranging from the infrared to the ultraviolet spectral region. This continuum or white-light generation is a well-established phenomenon. Femtosecond laser induced white light has been the source of ultrashort coherent radiation for numerous applications: time-resolved broadband pump–probe spectroscopy, optical pulse compression, and optical parametric amplification. Common materials: pure (undoped) YAG crystals, sapphire crystals, and CaF2 crystals.
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Contacts
- Address: Dvarcioniu st. 2B LT-10233 Vilnius, Lithuania
- Phone: (+370) 5 272 99 00
- Fax: (+370) 5 272 92 99
- E-mail: info@eksmaoptics.com
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