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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Stemmed Laser Mirrors

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  • Stemmed Design Reduces Stress on Mirror Surface when Mounted by Stem
  • >99% Reflectivity at Standard Laser Wavelengths
  • 10-5 Surface Quality for Reduced Scatter in Sensitive Laser Applications
  • TECHSPEC® Broadband Dielectric and Metallic Coated Stemmed Mirrors Also Available

TECHSPEC® Stemmed Laser Mirrors provide low mounting stress on highly reflective, laser line mirrors. Designed to be mounted to TECHSPEC® Kinematic Circular Optical Mounts and E-Series Kinematic Optical Mirror Mounts, all contact between the mirror and the kinematic mount is through the stem, reducing the stress imparted on the optical surface of the mirror. Due to their stress-reducing design and monolithic fused silica construction, these mirrors provide excellent thermal stability and improved surfaced flatness compared to traditionally mounted λ/10 flat mirrors. TECHSPEC® Stemmed Laser Mirrors are available at common laser wavelengths, making them ideal for laboratories and integration in laser systems.

Note: Contact us for custom options.

A comparison of the aberrations introduced to a λ/10 Stemmed Mirror and a λ/10 First Surface Mirror when mounted in a kinematic mount. As shown, a Stemmed Mirror stays within λ/10 specification up to 12 inoz of torque (“hand-tight”) while a First Surface Mirror becomes out of specification with a surface flatness of λ/5.
A comparison of the aberrations introduced to a λ/10 Stemmed Mirror and a λ/10 First Surface Mirror when mounted in a kinematic mount. As shown, a Stemmed Mirror stays within λ/10 specification up to 12 inoz of torque (“hand-tight”) while a First Surface Mirror becomes out of specification with a surface flatness of λ/5.
Stemmed Mirrors are mounted to kinematic mounts by a stem on their back surface, resulting in no contact with the edges of the mirror surface.
Stemmed Mirrors are mounted to kinematic mounts by a stem on their back surface, resulting in no contact with the edges of the mirror surface.