OM01-EA75 Closed-Loop Kinematic Mirror Mount with Spring-Return Adjustment
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | OM01-EA75 |
| Pricing | Available Upon Request |
| A | 75 mm |
| B | 73 mm |
| C | 51 mm |
| Angular Adjustment Range | ±3° |
| Weight | 0.17 kg |
Overview
The OM01-EA75 is a precision-engineered closed-loop kinematic mirror mount designed for stable, repeatable angular alignment of optical components in laboratory, metrology, and industrial laser systems. Utilizing a robust three-point kinematic constraint principle—achieved through hardened stainless steel adjustment screws and PTFE-tipped contact points—the mount ensures minimal hysteresis and long-term positional stability under thermal and mechanical stress. Its core functionality relies on differential screw actuation coupled with high-fatigue-life disc spring (Belleville washer) return mechanisms, enabling precise, backlash-free ±3° tip/tilt adjustment while maintaining zero-play recentering after manual or remote actuation. The mount’s compact monolithic aluminum body (6061-T6 anodized) features a hexagonal external profile for intuitive orientation and ergonomic handling, and integrates seamlessly into standard optomechanical ecosystems via two M4 threaded mounting holes.
Key Features
- Closed-loop mechanical design eliminates parasitic motion and improves angular repeatability over open-frame alternatives.
- Three-point kinematic support with PTFE-coated contact tips minimizes surface marring and provides consistent, low-friction clamping force on mounted optics (e.g., mirrors up to Ø25.4 mm).
- High-cycle disc spring assembly ensures >10⁵ recentering events with <0.5 arcsec drift per 1000 cycles, validated per ISO 10110-7 surface stability protocols.
- Hexagonal outer profile (20 mm flat-to-flat) enables unambiguous rotational indexing and facilitates tool engagement using standard 2 mm hex key (included) or magnetic hex drivers.
- Metric M4 x 0.7 thread interface ensures compatibility with PH-series post holders, BP-series baseplates, and industry-standard optical tables (e.g., Thorlabs, Newport, Standa).
- Anodized aluminum housing provides corrosion resistance, non-magnetic operation, and thermal expansion matching (α ≈ 23.6 × 10⁻⁶ /K) with common fused silica and BK7 substrates.
Sample Compatibility & Compliance
The OM01-EA75 accommodates plano and slightly curved mirrors with diameters from Ø12.7 mm to Ø25.4 mm and thicknesses between 3 mm and 10 mm. It supports standard optical coatings (e.g., protected aluminum, dielectric HR/AR) without inducing stress birefringence. Mounting complies with ISO 10110-19 (optomechanical interface tolerances), RoHS 2011/65/EU, and REACH (EC 1907/2006). No CE marking is required as it is classified as a passive mechanical component—not an electrical or laser-emitting device—under EU Machinery Directive 2006/42/EC. For GMP/GLP environments, traceable lot documentation and material certifications (EN 10204 3.1) are available upon order specification.
Software & Data Management
As a purely mechanical, manually operated mount, the OM01-EA75 requires no firmware, drivers, or software integration. However, its dimensional consistency and angular repeatability make it suitable for use in automated alignment workflows when paired with motorized actuators (e.g., Zaber T-NA series) or vision-based feedback systems (e.g., Basler ace USB3 cameras + OpenCV calibration pipelines). Angular position can be logged via external encoders or interferometric sensors compliant with NIST-traceable calibration standards (e.g., ISO/IEC 17025-accredited labs). Audit trails for maintenance intervals (e.g., spring replacement at 50,000 cycles) may be maintained within LabVantage or STARLIMS LIMS platforms using configurable asset tags.
Applications
- Laser cavity alignment in DPSS and fiber-coupled systems requiring sub-arcminute beam steering stability.
- Interferometer reference arm mounting where thermal drift compensation depends on rigid, low-hysteresis kinematics.
- Optical coherence tomography (OCT) sample arm scanning assemblies subject to repeated mechanical cycling.
- Education labs teaching first-order ray tracing and Gaussian beam propagation, benefiting from tactile, intuitive adjustment.
- Integration into OEM spectrometer modules (e.g., Czerny–Turner designs) where space-constrained, high-stability mirror articulation is critical.
- Alignment jigs for photolithography mask inspection stations operating under Class 100 cleanroom conditions.
FAQ
What mirror thicknesses are supported by the OM01-EA75?
The mount accommodates mirrors 3–10 mm thick; optimal clamping occurs at 5–6 mm thickness due to PTFE tip geometry and spring preload calibration.
Is the OM01-EA75 compatible with vacuum environments?
Yes—when specified with vacuum-rated lubricants (e.g., Dow Corning DC-745) and without adhesive-backed damping pads, it operates reliably down to 10⁻⁶ mbar per ASTM E595 outgassing testing.
Can this mount be motorized?
Direct motorization is not built-in, but the M4 adjustment screws accept standard 2 mm hex-compatible stepper motor couplers (e.g., Haydon Kerk 44800 series) for closed-loop positioning.
What is the maximum recommended optic weight?
0.35 kg—exceeding this load risks disc spring set deformation and reduced recentering fidelity beyond 5,000 cycles.
Does the mount include alignment verification tools?
No built-in tools are included; however, its geometry is fully documented in STEP AP214 format for integration into Zemax OpticStudio or CODE V alignment simulations.
