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| Coad | 669060 | Clear Aperture | ≥24mm x 12mm | |
| Type | Damage-Resistant Thin-Film Polarizer | Surface Quality S1 | 20-10 S-D per CA | |
| Substrate | UVFS Corning 7980 0F | Surface Quality S2 | 20-10 S-D per CA | |
| Dimension(mm) | 28.6 x 14.0 x 3.0 | Surface Flatness | <λ/6 @ 633 nm per CA (RWE and TWE <λ/10) | |
| Diameter | 28.6mm x 14.0mm +0/-0.1 mm | Laser Damage Threshold | - | |
| Thickness | 3.0mm +0/-0.1 mm | Coating Type | IBS Coating | |
| Wavelength(nm) | 725 - 875 | Coating Parameter S1 | Ts<20% @ 725 nm - 875 nm, Tp>98% @ 725 nm -875 nm | |
| Extinction Ratio | 5:1 | Coating Parameter S2 | SCC + ARp <0.7% @ 725 nm - 875 nm | |
| AOI(°) | 70 - 74 | |||
Thin-film polarizers are indispensable components in high-power laser applications. Featuring a unique multilayer dielectric structure, they enable highly efficient separation of s- and p-polarized light with virtually zero absorption losses. Compared to conventional polarizers, thin-film polarizers achieve exceptionally high transmission (Tp) and reflection (Rs), ensuring minimal energy loss in the beam path—meeting the stringent requirements of femtosecond and high-power laser systems for energy efficiency.
To withstand the extreme conditions of ultrashort pulses and high peak intensities, damage-resistant thin-film polarizers incorporate durable, high-energy-resistant materials into the coating design, significantly increasing their laser-induced damage threshold (LIDT). Their low-absorption characteristics reduce thermal effects and thermal lensing, ensuring beam stability and high fidelity. Advanced deposition techniques and precise layer thickness control further enhance polarization accuracy to the 10⁻⁵ level, delivering stable performance across a broad spectral range (e.g., 400–2000 nm), and allowing flexible integration with various laser platforms.
With their high damage threshold, low absorption loss, and superior polarization purity, damage-resistant thin-film polarizers are widely used in femtosecond laser systems, industrial high-power laser machining and micromachining, nonlinear optics experiments, and laser sensing and metrology. They are the ideal choice for users seeking extreme performance and long-term reliability.
Notes:For optimal performance, store and operate at 25 °C and 40%–60% relative humidity. If contamination occurs on the coated surface, gently clean with >99% isopropyl alcohol and lint-free lens tissue. Do not use rough fabrics, water, or abrasive cleaners, as these may damage the coating.
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