ZOLIX OMRS38.1/50-S Two-Axis High-Stability Mirror Mount

Overview

The ZOLIX OMRS38.1/50-S is a precision-engineered two-axis kinematic mirror mount designed for demanding optical alignment tasks in research-grade laser systems, interferometry setups, spectroscopic instrumentation, and quantum optics laboratories. It operates on the principle of differential micrometer-driven angular adjustment—employing two orthogonal, independently actuated kinematic tilt stages to enable precise tip-tilt control of mounted optics without inducing parasitic translation or stress-induced birefringence. Unlike single-axis mounts or flexure-based alternatives, the OMRS38.1/50-S utilizes hardened stainless steel differential screws with 100 µm pitch and brass-nickel anti-backlash nuts to deliver sub-arcminute repeatability (≤15 arcsec typical) over its full ±3° range per axis. Its monolithic aluminum alloy body (6061-T6) is CNC-machined to ≤±5 µm flatness tolerance across the base and optic seat, ensuring mechanical stability under thermal cycling and vibration environments common in cleanroom and metrology-grade optical tables.

Key Features

• Dual interchangeable clamping configurations: supports Ø38.1 mm (1.5″) and Ø50 mm (2″) optics via removable retaining rings—no tool change required for switching between standard optic sizes.
• Optimized clear aperture: 35 mm for 38.1 mm mounting and 47 mm for 50 mm mounting, minimizing vignetting while preserving structural rigidity.
• Kinematic three-point contact design with elastomeric damping pads beneath the base to suppress high-frequency resonance (fundamental mode >1.2 kHz).
• Metric-threaded M6 mounting pattern (25.4 mm center-to-center) compatible with Thorlabs, Newport, and ZOLIX standard optical rails and breadboards.
• Black anodized surface finish (Type II, 15–20 µm thickness) providing corrosion resistance and low outgassing—certified compliant with ISO 14644-1 Class 5 cleanroom handling protocols.
• No lubricants used in adjustment mechanism; all moving interfaces are dry-running PTFE-coated or hard-anodized to prevent particulate generation in vacuum-compatible applications (UHV-rated to 1×10⁻⁷ mbar).

Sample Compatibility & Compliance

The OMRS38.1/50-S accommodates plano, concave, and convex mirrors up to 12 mm thickness, including protected silver, dielectric HR, and UV-enhanced aluminum coatings. It is routinely deployed in setups conforming to ISO 10110 (optical element specification), ISO 9001:2015 (manufacturing quality system), and IEC 61000-4-2 (ESD immunity). While not certified for medical device integration, its mechanical traceability (full lot-number tracking per unit) and RoHS 3/REACH-compliant materials meet baseline requirements for GLP-aligned R&D documentation. The mount does not require recalibration between uses but is supplied with individual test reports documenting angular hysteresis (<0.8 arcmin) and bidirectional repeatability (≤0.4 arcmin RMS) measured via autocollimator traceable to NIM (National Institute of Metrology, China).

Software & Data Management

As a passive mechanical mount, the OMRS38.1/50-S requires no firmware, drivers, or software integration. However, it is fully interoperable with industry-standard alignment workflows using Thorlabs Kinesis®, Newport Motion Control Suite, or MATLAB-based optical modeling scripts (e.g., Optics Toolbox v4.2+). Users may log adjustment positions manually or via optional digital readout adapters (e.g., Mitutoyo ABSOLUTE Linear Encoders, sold separately), enabling audit-ready position logging aligned with ISO/IEC 17025 clause 7.7 (measurement traceability). No data encryption or user authentication is implemented—consistent with Category I passive optical hardware per NIST SP 800-160 Vol. 1.

Applications

• Laser cavity alignment in Ti:sapphire, fiber, and diode-pumped solid-state (DPSS) oscillators requiring long-term pointing stability (drift <2 arcsec/24 h at 22±1°C).
• Beam steering in heterodyne interferometers and gravitational wave detector prototype benches (e.g., table-top Michelson configurations).
• Co-alignment of multi-wavelength sources (UV-VIS-NIR) in hyperspectral imaging calibration rigs.
• Stabilization of reference mirrors in Fabry–Pérot etalons operating at finesse >300.
• Education labs for undergraduate optics courses covering ray transfer matrices, ABCD analysis, and Gaussian beam propagation modeling.

FAQ

Is the OMRS38.1/50-S compatible with vacuum environments?

Yes—its dry-running mechanics, vacuum-compatible anodization, and absence of adhesives or lubricants allow operation down to 1×10⁻⁷ mbar. Bake-out up to 80°C is permissible.
Can I mount a 45° broadband dielectric mirror without compromising adjustment range?

Yes—the ±3° range is specified with full-load conditions (mirror mass ≤250 g); angular resolution remains unaffected by coating type or substrate material.
Does ZOLIX provide calibration certificates with each unit?

Each OMRS38.1/50-S ships with a factory test report including angular hysteresis, repeatability, and base flatness measurements. NIST-traceable calibration is available as an optional service (lead time +5 business days).
What is the maximum recommended optic weight?

250 g for optimal repeatability; static load capacity exceeds 1.2 kg, but dynamic stability degrades above 300 g due to increased moment of inertia.
Are replacement retaining rings available separately?

Yes—part numbers ZR-OMRS38-R and ZR-OMRS50-R are stocked globally through authorized ZOLIX distributors and carry the same dimensional tolerances and surface finish specifications.