Si & Cu Reflective Mirrors

Si Mirrors Silicon mirrors in a huge range of sizes are available with a selection of different coatings to suite you application. Advanced manufacturing methods Latest ultra-low absorption coatings Highest quality substrates Part No. M Dia mm ET mm A

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Si Mirrors

Silicon mirrors in a huge range of sizes are available, with a selection of different coatings to suite you application.
  • Advanced manufacturing methods
  • Latest ultra-low absorption coatings
  • Highest quality substrates
Part No. M Dia mm ET mm A deg T % R % S2 ROC m Coating
LM-SI-5.9SIS4-03 Si 15 4 45 3 99.93 3 SuperMax
LM-SI-7.5SID2-00 Si 19 2 45 0 99 flat SiDual
LM-SI-7.5SIS3-00 Si 19 3 45 0 99.93 flat SuperMax
LM-SI-7.5SIS3-05 Si 19 3 45 0 99.93 5 SuperMax
LM-SI-7.5SIS3-07 Si 19 3 45 0 99.93 7 SuperMax
LM-SI-7.5SIS4-05 Si 19 4 45 0 99.93 5 SuperMax
LM-SI-7.5SIS5-075 Si 19 5 45 0 99.93 0.75 SuperMax
LM-SI-10SIF3-00 Si 25.4 3 45 0 99 flat PFM
LM-SI-10SIF5-00 Si 25.4 5 45 0 99 flat PFM
LM-SI-10SIS3-00 Si 25.4 3 45 0 99.93 flat SuperMax
LM-SI-10SIS3-05 Si 25.4 3 45 0 99.93 5 SuperMax
LM-SI-10SIS3-10 Si 25.4 3 45 0 99.93 10 SuperMax
LM-SI-10SIS4-00 Si 25.4 4 45 0 99.93 flat SuperMax
LM-SI-10SIS5-00 Si 25.4 5 45 0 99.93 flat SuperMax
LM-SI-11SIS3-00 Si 28 3 45 0 99.93 flat SuperMax
LM-SI-11SIS6-00 Si 28 6 45 0 99.93 flat SuperMax
LM-SI-15SIS6.3-07 Si 38.05 6.3 45 0 99.93 7 SuperMax
LM-SI-15SIS6.3-7M Si 38.05 6.3 45 0 99.93 7.5 SuperMax
LM-SI-15SIS6-00 Si 38.05 6 45 0 99.93 flat SuperMax
LM-SI-15SIS9.5-00 Si 38.05 9.5 45 0 99.93 flat SuperMax
LM-SI-15SIS9.7-00 Si 38.05 9.7 45 0 99.93 flat SuperMax
LM-SI-15SID-00 Si 38.05 4 45 0 99 flat SiDual
LM-SI-15SIF4-00 Si 38.05 4 45 0 99 flat PFM
LM-SI-15SIS4-10CC Si 38.05 4 45 0 99.93 10 SuperMax
LM-SI-15SIS5-00 Si 38.05 5 45 0 99.93 flat SuperMax
LM-SI-15SIS6.3-00 Si 38.1 6.3 45 0 99.93 flat SuperMax
LM-SI-15SIS6.6-00 Si 38.1 6.6 45 0 99.93 flat SuperMax
LM-SI-16.1SIS5-00 Si 41 5 45 0 99.93 flat SuperMax
LM-SI-17.5SIS9.5-00 Si 44.45 9.5 45 0 99.93 flat SuperMax
LM-SI-17.5SIS9-00 Si 44.5 9 45 0 99.93 flat SuperMax
LM-SI-17.5SIS4-00 Si 44.5 4 45 0 99.93 flat SuperMax
LM-SI-19.7SIS10-00 Si 50 10 45 0 98.6 flat SuperMax
LM-SI-19.7SIS5-00 Si 50 5 45 0 98.6 flat SuperMax
LM-SI-20SIF10-00 Si 50.8 10 45 0 99 flat PFM
LM-SI-20SIS10-00 Si 50.8 10.2 45 0 99.93 flat SuperMax
LM-SI-20SIS10-00MA Si 50.8 10 45 0 99.93 flat SuperMax
LM-SI-20SIS5-00 Si 50.8 5.1 45 0 99.93 flat SuperMax
LM-SI-20SIS9.5-00 Si 50.8 9.5 45 0 99.93 flat SuperMax
LM-SI-26.8SIS20-00M Si 68 20 45 0 99.93 flat SuperMax
LM-SI-30SIS6.35-00 Si 76.2 6.35 45 0 99.93 flat SuperMax
LM-SI-30SMA12.7-00 Cu 76.2 12.7 45 0 98.6 flat SuperMax
Remark: M: material; A(deg): angle of incidence; ET: edge thickness; T(%): transmission; R (%): reflectance; ROC: radius of curvature.

Turning Mirrors, Silicon

These turning mirrors are used in CO2 laser beam delivery systems. Silicon is the most commonly used mirror substrate due to its good "figure of merit" properties. We offer them with a variety of metal and dielectric coatings.
  • TMS-EM Turning Mirrors Enhanced Metal for CO2 10.6 µm Reflectance coating
  • 45° Angle Of Incidence
  • Coated: Reflectance > 99.6% average @ 10.6 µm
  • Absorption: < .30% @ 10.6 µm
Model Number Diameter Thickness
LM-SI-TMS-0512-EM 0.500" 0.120"
LM-SI-TMS-0712-EM 0.750" 0.120"
LM-SI-TMS-0912-EM 0.875" 0.120"
LM-SI-TMS-1012-EM 1.000" 0.120"
LM-SI-TMS-1112-EM 1.100" 0.120"
LM-SI-TMS-1512-EM 1.500" 0.120"
LM-SI-TMS-1516-EM 1.500" 0.160"
LM-SI-TMS-1816-EM 1.750" 0.160"
LM-SI-TMS-2020-EM 2.000" 0.200"
LM-SI-TMS-2525-EM 2.500" 0.250"
LM-SI-TMS-3025-EM 3.000" 0.250"
LM-SI-TMS-4035-EM 4.000" 0.350"

Turning Mirrors, Silicon Dual-Band Reflector for CO2 + Red Laser Diode Reflectance

  • TMS-DBMR Turning Mirrors Silicon with Dual Band Max Reflectance coating
  • Coated: Reflectance > 99.7% average @ 10.6 µm
  • Reflectance: > 85% average for .633 µm and 650 nm
  • 45° Angle Of Incidence
  • Absorption: < 0.30% @ 10.6 µm
Model Number Diameter Thickness
LM-SI-TMS-0512-DBMR 0.500" 0.120"
LM-SI-TMS-0712-DBMR 0.750" 0.120"
LM-SI-TMS-0912-DBMR 0.875" 0.120"
LM-SI-TMS-1012-DBMR 1.000" 0.120"
LM-SI-TMS-1112-DBMR 1.100" 0.120"
LM-SI-TMS-1512-DBMR 1.500" 0.120"
LM-SI-TMS-1516-DBMR 1.500" 0.160"
LM-SI-TMS-1816-DBMR 1.750" 0.160"
LM-SI-TMS-2020-DBMR 2.000" 0.200"
LM-SI-TMS-2525-DBMR 2.500" 0.250"
LM-SI-TMS-3025-DBMR 3.000" 0.250"
LM-SI-TMS-4035-DBMR 4.000" 0.350"

Phase Retardation Reflectors : Silicon for CO2 Lasers and 10.6µm

These mirrors create a 90° Phase Shift with the aid of specially constructed thin film coating layers applied to the surface, when hit with a linear polarized beam at 45° to the plane of incidence. Commonly called Phase Shifters, Polarizers, or Circular Polarizing Mirrors, they transform the incoming beam into a circular polarized state. They typically are only used external to the laser cavity as a beam delivery mirror. These operate only with a true 10.6µm laser wavelength and will not work at other wavelengths such as 9.2 or 9.6µm without special modifications to the thin film coating design. We offer non-standard wavelength Phase Retardation Reflectors at these other wavelengths as custom parts.
  • Phase Shift: 90°±3.0° between p and s polarization for 10.6µm operation only @ 45° Angle Of Incidence
  • Reflectance: > 99.0% average @ 10.6µm
  • Absorption: < 0.40% @ 10.6µm
  • Coating optimized to create 90° phase shift from a linear polarized beam. Used in beam delivery systems where cutting circles in materials is required.
Part Number Diameter Thickness
LM-SI-PRRS-0712-90 0.750" 0.120"
LM-SI-PRRS-1012-90 1.000" 0.120"
LM-SI-PRRS-1112-90 1.100" 0.120"
LM-SI-PRRS-1516-90 1.500" 0.160"
LM-SI-PPRS-1816-90 1.75 0.160"
LM-SI-PRRS-2020-90 2.000" 0.200"
LM-SI-PRRMS-5010-90 50 mm 10 mm
LM-SI-PRRS-2038-90 2.000" 0.375"
LM-SI-PRRS-2525-90 2.500" 0.250"
LM-SI-PRRS-3025-90 3.000" 0.250"
LM-SI-PRRS-3050-90 3.000" 0.500"
LM-SI-PRRMS-7515-90 75 mm 15 mm

Zero Phase Reflectors: Silicon for CO2 Lasers and 10.6µm

>
  • Phase Shift: <2.0° between p and s polarization for 10.6µm operation only @ 45° Angle Of Incidence
  • Reflectance: > 99.6% average @ 10.6µm
  • Absorption: < 0.40% @ 10.6µm
  • Coating optimized to maintain low phase shift in beam delivery systems where a 90° phase retarder exists to maintain the circular polarization.
Model Number Diameter Thickness
LM-SI-ZPRS-0712-0 0.750" 0.120"
LM-SI-ZPRS-1012-0 1.000" 0.120"
LM-SI-ZPRS-1112-0 1.100" 0.120"
LM-SI-ZPRS-1516-0 1.500" 0.160"
LM-SI-ZPRS-1816-0 1.750" 0.160""
LM-SI-ZPRS-2020-0 2.000" 0.200"
LM-SI-ZPR-50-5-10-0 50 mm 10 mm
LM-SI-ZPRS-2038-0 2.000" 0.375"
LM-SI-ZPRS-2525-0 2.500" 0.250"
LM-SI-ZPRS-3025-0 3.000" 0.250"
LM-SI-ZPRS-3050-0 3.000" 0.500"
LM-SI-ZPR-75-5-15-0 75 mm 15 mm
LM-SI-ZPRS-4035-0 4.000" 0.350"

Total Reflectors: Silicon Concave for CO2 Lasers and 10.6µm

  • Turning Mirrors Silicon with Dual Band Max Reflectance coating
  • Coated: Reflectance > 99.6% average @ 10.6 µm
  • Operation at normal incidence (0°)
  • Reflectance: > 85% average for 633 nm and 650 nm
  • Absorption: < 0.30% @ 10.6 µm
  • Clear Aperture: 90% of diameter

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