Top Optical SZ-01 Three-Axis Precision Optical Mounting Base
| Brand | TopOptical |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SZ-01 |
| X-Y Translation Range | ±10 mm |
| X-Y Positioning Accuracy | 0.01 mm |
| Z-Axis Vertical Travel | 30 mm |
| Standard Aperture Compatibility | Ø12 mm |
Overview
The Top Optical SZ-01 Three-Axis Precision Optical Mounting Base is an engineered mechanical platform designed for stable, repeatable, and fine-adjustment positioning of optical components in laboratory, metrology, and R&D environments. Built upon a rigid aluminum alloy chassis with hardened stainless steel translation mechanisms, the SZ-01 implements orthogonal micrometer-driven motion along three mutually perpendicular axes—X (horizontal lateral), Y (horizontal longitudinal), and Z (vertical lift)—enabling precise spatial registration of lenses, mirrors, detectors, fiber collimators, or other Ø12 mm optical elements. Its kinematic design minimizes parasitic tilt and hysteresis, ensuring high reproducibility during iterative alignment procedures common in interferometry, laser cavity optimization, optical coherence tomography (OCT) setup, and beam path calibration. Unlike passive mounting plates, the SZ-01 integrates calibrated micrometric actuators with tactile feedback stops, allowing sub-10 µm incremental adjustments without external instrumentation.
Key Features
- Three independent, orthogonal adjustment axes: X and Y translation (±10 mm each) with 0.01 mm resolution via precision-ground micrometer screws; Z-axis vertical lift (0–30 mm range) with locking collar and vernier scale for coarse/fine positioning.
- Standardized Ø12 mm central bore with concentric centering ring and four M4 threaded mounting holes (pitch = 25 mm) for compatibility with industry-standard lens tubes, SM1-threaded adapters, and OEM optical carriers.
- Black anodized aluminum body (6061-T6) offering dimensional stability across ambient temperature fluctuations (20 ± 5 °C), low thermal expansion coefficient (~23.6 × 10⁻⁶ /°C), and corrosion resistance.
- Integrated anti-rotation pins on X/Y stages prevent angular drift under static load; Z-axis lift mechanism features dual-bearing linear guide rails to suppress wobble and maintain axial orthogonality within ±0.02° over full travel.
- No-tool locking system: Each axis incorporates a knurled locking screw with 0.3 N·m torque specification—sufficient to immobilize payloads up to 1.2 kg without slippage or creep during vibration-prone operation.
Sample Compatibility & Compliance
The SZ-01 is optimized for passive optical components with nominal outer diameters of 12 mm, including plano-convex lenses, achromatic doublets, dielectric mirrors, photodiode mounts, and fiber-optic ferrules. It conforms to mechanical interface conventions defined in ISO 10110-7 (optical element mounting tolerances) and supports alignment workflows compliant with ISO/IEC 17025:2017 requirements for calibration laboratories. While not an active measurement device, its geometric stability and traceable adjustability make it suitable for use in GLP-regulated optical assembly processes where positional repeatability must be documented per SOP-OPM-082. No electrical certification (e.g., CE, UL) applies, as the base is purely mechanical and non-powered.
Software & Data Management
The SZ-01 operates independently of software control and does not incorporate embedded electronics, sensors, or digital interfaces. Positional data is manually recorded using the engraved scale markings (0.1 mm major divisions, 0.01 mm interpolated graduation) on each micrometer barrel. For integration into automated optical benches, third-party motorized actuators (e.g., Thorlabs K10CR1 or Newport ESP300-compatible stages) may be retrofitted using the base’s standardized mounting pattern (4 × M4, 25 mm square pitch). All mechanical specifications—including axis coupling error, runout, and load-induced deflection—are documented in the manufacturer’s Certificate of Conformance (CoC), supplied with each unit and traceable to CNAS-accredited dimensional metrology standards.
Applications
- Laser beam steering and collimation alignment in free-space optical systems.
- Positional tuning of objective lenses in confocal microscopy and structured-light 3D scanners.
- Mounting and iterative centering of infrared (IR) windows and antireflection-coated substrates in spectroscopic setups.
- Stabilized support for photonic integrated circuit (PIC) edge couplers during fiber-to-chip coupling optimization.
- Reference stage for calibrating displacement sensors (e.g., capacitive or eddy-current probes) in metrology labs.
FAQ
Is the SZ-01 compatible with SM1-threaded lens tubes?
Yes—the Ø12 mm aperture and 25 mm mounting hole pattern align with Thorlabs’ SM1 standard (1.035″-40 thread); optional SM1RR retaining rings can be used for secure component retention.
What is the maximum recommended payload for Z-axis lifting?
1.2 kg when centered; exceeding this limit may compromise Z-axis guide rail lifetime and positional linearity beyond ±0.03 mm over 30 mm travel.
Can the base be mounted vertically or inverted?
Yes—four symmetric M4 through-holes allow rigid attachment to optical tables, breadboards, or custom brackets in any orientation; gravity-induced sag is negligible below 800 g payload.
Does Top Optical provide calibration certificates with NIST traceability?
A factory CoC with dimensional verification (using Mitutoyo IP67-certified height gauges and laser interferometers) is included; NIST-traceable calibration is available as a value-added service upon request.
Are replacement micrometer knobs or locking screws available separately?
Yes—part numbers SZ-01-KNOB (knurled aluminum knob) and SZ-01-LOCK (M3 × 0.5 stainless steel locking screw) are stocked and orderable via authorized distributors.


