Compare Model Drawings, CAD & Specs Diameter Edge Thickness Coating Type S1 Radius OEM Compatibility Availability Price
631051-117
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 631051-117 1.97 in. 10 mm PLM-W 80MCC Bystronic
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631053-117
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 631053-117 1.97 in. 10 mm PLM-W 100MCC Bystronic
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631160-117
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 631160-117 2.0 in. 54 mm PLM-W Plano Balliu
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631410-117
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 631410-117 1.5 in. 20 mm PLM-HR Plano Prima Industrie
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632243-117
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 632243-117 1.97 in. 10 mm PLM-W Bystronic
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Specifications

  • Type
    Polarize Lock Mirror
  • Optic Material
    Copper (Cu)
  • Angle of Incidence
    45°
  • Surface Quality
    10-5 scratch-dig
  • Surface Irregularity
    1 Fringe @ 633 nm
  • Power
    2 Fringes @ 633 nm
  • Wedge
    <3' (arc minutes)
  • Diameter Tolerance
    +0/-0.12 mm
  • Thickness Tolerance
    ±0.1 mm

Features

Polarize Lock Mirrors

Laser resonators rely on small differences in the reflectivity of fold mirrors for different polarization states to give a stable linearly polarized output. In some cases, the small reflection gaps of the total reflector mirror coatings are not enough to keep the polarization from fluctuating. Using specific properties of the materials selected in optical coating design, we are able to increase the differences in the reflection of S-polarization compared to P-polarization and achieve a truly stable “locked” polarization.

Polarize Lock Mirror Coatings

The PLM-HR mirror coating provides optimized S-Pol reflection (>99.90% for S-Pol), with low enough P-Pol reflection (<93% P-Pol) to enable effective phase locking while still reflecting maximum reflection at the desired S Polarization. It is internal cavity radiation resistant, suitable for both Cu and Si mirrors and can be used in a variety of different resonator type.

Coating Substrate %S-Pol@45°@10.6 %P-Pol@45°@10.6 %R@45°@0.6328
PLM Si 99.5% ≤90% -
PLM-W Cu 99.8% ≤90% -
PLM-HR Cu >99.9% ≤97% ≥65%@630-670nm
PLM-HR Si >99.9% ≤93% ≥65%@630-670nm

Resources

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