The optical properties of a mirror (reflectance, phase shift, etc.) are determined by its coating. In order to realize different mirror functions, different coatings are needed.

The new Zero Phase Shift High Reflection (ZPS-HR) coating features lower absorption by 40% compared to standard ZPS/TRZ coating. Maximum absorption of the ZPS-HR version coating is 0.3%, an improvement to the standard ZPS absorption level of 0.5%.

MMR-P coating can be used for zero phase shift mirror or cavity optics, and allows for the highest total random polarization reflection available. It can also be applied to a level-changing mirror in two-tiered resonator systems. Our MMR-P coating keeps the same capabilities of phase shift and high reflection of visible light to enable clear observation of HeNe laser or diode laser beam reflection for alignment, location indication, etc.

Coating	Substrate	%R@45°@10.6	%S-Pol@45°@10.6	%P-Pol@45°@10.6	%R@45°	Phase Shift@45°
ZPS	Si&Cu	99.5%	-	-	≥80%@630-670 nm	0°±2°
ZPS-HR	Si	99.7%	99.8%	99.6%	≥80%@630-670 nm	0°±2°
MMR-P	Si&Cu				≥55%@900-1000 nm	0°±2°

Model: water-cooled-zero-phase-shift-copper-mirrors

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