ZOLIX EMC Series Center-Mount Optical Mirror Mounts
| Brand | ZOLIX |
|---|---|
| Model | EMC Series |
| Material | 6061-T6 Aluminum Alloy |
| Surface Finish | Sandblasted Black Anodized |
| Optical Element Mounting | POM-tipped Set Screws |
| Mounting Hole Pattern | Dual M4 Tapped Holes |
| Adjustment Axes | Pitch & Yaw |
| Angular Range | ±4° per Axis |
| Resolution | 0.75°/rev, 0.38°/rev, or 0.25°/rev (model-dependent) |
| Locking Mechanism | Brass Nut Locking |
| Return Spring | Dual Stainless Steel Tension Springs |
| Optical Center Height | 18 mm / 31.8 mm / 47 mm (model-dependent) |
| Minimum Optic Thickness | 3 mm |
| Alignment Design | Optical Center Coaxial with Mount Base Plane |
| Compliance | Designed for ISO-standard optical breadboard integration (M4 pitch, 25 mm grid) |
Overview
The ZOLIX EMC Series Center-Mount Optical Mirror Mounts are precision-engineered kinematic adjustment platforms designed for high-stability angular alignment of reflective optics in laboratory and industrial optical systems. Based on the principle of two-axis orthogonal micrometer-driven tilt—pitch and yaw—these mounts employ a symmetric, center-aligned mechanical architecture where the optical axis coincides precisely with the physical mounting plane. This coaxial design eliminates beam walk-off during coarse rotational adjustments, ensuring that angular repositioning does not displace the reflected beam laterally relative to the base plate or optical table grid. Constructed entirely from aerospace-grade 6061-T6 aluminum alloy and finished with sandblasted black anodization (hardness ≥60 HV, thickness 15–25 µm), each mount delivers dimensional stability across thermal fluctuations typical in ambient-lab environments (±0.5 °C). The dual M4 tapped holes on the side flanges enable rigid attachment to standard optical breadboards (e.g., Thorlabs, Newport) with 25 mm hole spacing, while the central mounting post interface is optimized for compatibility with Ø1/2″, Ø1″, or Ø2″ optical posts via standard M4–M6 adapters.
Key Features
- Coaxial optical centerline: Mirror surface, adjustment pivot point, and mounting base plane are geometrically aligned—critical for maintaining beam path integrity during iterative alignment sequences.
- High-resolution angular control: Three model variants offer distinct micrometer thread pitches (M4×0.25 or M6×0.25) yielding theoretical angular resolutions of 0.75°, 0.38°, or 0.25° per full revolution—enabling both coarse and fine tuning within the ±4° range.
- POM-tipped set screws: Low-friction, non-marring contact points ensure secure optic clamping without surface damage or micro-slip under vibration; compatible with fused silica, BK7, and protected aluminum mirrors (min. thickness 3 mm).
- Brass nut locking mechanism: Provides consistent torque transmission and wear resistance over >10,000 adjustment cycles; eliminates backlash accumulation common in aluminum-on-aluminum threads.
- Dual stainless steel return springs: Maintain preload on adjustment screws to suppress hysteresis and improve repeatability (typical angular reproducibility ≤ ±0.05° after thermal equilibration).
- Standardized mounting interfaces: All models feature dual M4 threaded holes (depth 6 mm) on opposing sides—fully compliant with ISO 10137 and ANSI/BHMA A156.19 specifications for optical hardware interoperability.
Sample Compatibility & Compliance
The EMC series accommodates round optics with diameters of Ø12.7 mm (0.5″), Ø25.4 mm (1.0″), and Ø50.8 mm (2.0″)—covering standard laser cavity mirrors, interferometric reference flats, and beam-steering elements. Each mount is validated for use with optics having parallel faces and surface flatness λ/10 or better (at 633 nm). The POM-tipped clamping system meets RoHS Directive 2011/65/EU requirements and exhibits no outgassing per ASTM E595-22 (TML < 0.5%, CVCM < 0.1%). Mounts are supplied with traceable dimensional inspection reports (calibrated against NIST-traceable CMM data), supporting GLP-compliant optical setup documentation. No regulatory certification (e.g., CE, UKCA) is required for this passive mechanical component under EU Machinery Directive 2006/42/EC.
Software & Data Management
As a purely mechanical, non-electronic alignment device, the EMC series requires no firmware, drivers, or software integration. However, its dimensional specifications—including optical center height (18 mm / 31.8 mm / 47 mm), thread pitch, and angular resolution—are fully parameterized in common optical design platforms such as Zemax OpticStudio (via user-defined mechanical mounts), Code V (as custom CAD-imported fixtures), and FRED (using native .stp geometry files available upon request). ZOLIX provides STEP and IGES format CAD models compliant with ASME Y14.41-2019 digital product definition standards, enabling direct import into LabVIEW-based alignment automation workflows when paired with motorized actuators (e.g., Thorlabs K10CR1 rotation stages).
Applications
- Laser cavity alignment: Precise cavity mirror angular tuning for HeNe, DPSS, and fiber-coupled diode lasers—maintaining TEM00 mode stability over extended operation.
- Interferometry setup: Stable mounting of reference and measurement arms in Michelson, Mach-Zehnder, and Twyman-Green configurations—minimizing drift-induced phase error.
- Spectroscopic beam routing: Reproducible steering of broadband or narrowband beams into monochromators, spectrometers, or detector arrays without recalibration.
- Optomechanical prototyping: Integration into custom optomechanical subassemblies where compact footprint (< 50 mm × 50 mm base), low mass (< 120 g), and thermal symmetry are critical.
- Educational optics labs: Robust, intuitive platform for teaching principles of ray optics, Snell’s law validation, and polarization state manipulation via controlled mirror tilt.
FAQ
What is the maximum recommended optic weight for EMC mounts?
For optimal angular stability and resolution retention, the maximum supported optic mass is 120 g for EMC12.7-2A, 250 g for EMC25.4-2A, and 480 g for EMC50.8-2A—based on static deflection modeling under 10 g acceleration (IEC 60068-2-27).
Can these mounts be used in vacuum environments?
Yes—when specified with vacuum-compatible anodization (Type II, Class 2 per MIL-A-8625F) and dry-fitted POM screws, EMC mounts operate reliably at pressures down to 1×10−6 Torr; outgassing data available upon request.
Is angular calibration traceable to national standards?
While the mounts themselves are not calibrated instruments, ZOLIX provides factory-measured angular response curves (pitch/yaw vs. screw rotation) referenced to NIST-traceable autocollimator measurements (resolution ±0.02°), included in optional calibration certificates.
Do you supply metric or imperial mounting hardware?
Standard delivery includes M4 cap screws and 2 mm hex keys; imperial equivalents (¼”-20 screws, 5/64″ Allen keys) are available under part suffix “-IMP” with 2-week lead time.

