Topo WSZ-1D Precision Optical Table (Air-Free)
| Brand | Topo |
|---|---|
| Model | WSZ-1D |
| Construction | Solid steel honeycomb core with high-permeability stainless steel top plate |
| Surface roughness | ≤ 0.8 µm |
| Flatness | ≤ 0.05 mm per m² |
| Mounting pattern | M6 threaded holes on 25 × 25 mm or 50 × 50 mm grid |
| Height | 800 mm |
| Available sizes (L × W × H) | 1200 × 800 × 800 mm |
| Vibration amplitude | ≤ 3 µm (under ambient laboratory conditions) |
| Core material | Medium-carbon steel honeycomb structure |
| Top plate material | High-permeability stainless steel (magnetic compatibility optimized) |
| Origin | Tianjin, China |
| Manufacturer type | OEM/ODM producer |
Overview
The Topo WSZ-1D Precision Optical Table (Air-Free) is a rigid, passive vibration isolation platform engineered for high-stability optical and precision metrology applications where active or pneumatic systems are impractical, prohibited, or undesirable. Unlike air-isolated tables that require compressed air infrastructure, continuous pressure regulation, and floor-level stability constraints, the WSZ-1D relies on a monolithic mechanical design combining a high-permeability stainless steel top plate with an internally bonded medium-carbon steel honeycomb core. This architecture delivers low dynamic compliance, high modal stiffness, and a naturally damped fundamental resonance—typically below 8–12 Hz depending on payload and mounting configuration—making it suitable for interferometry, laser alignment, nanoscale imaging, and quantum optics setups in standard laboratory environments.
Key Features
- High-permeability stainless steel top plate ensures uniform magnetic response for magnetic component mounting and minimizes eddy current interference in sensitive electromagnetic experiments.
- Surface finish of ≤ 0.8 µm Ra guarantees minimal scatter and consistent mechanical contact for kinematic mounts, translation stages, and optical breadboards.
- Flatness tolerance of ≤ 0.05 mm per square meter meets ISO 10360-2 requirements for coordinate measuring machine (CMM) base platforms and supports traceable optical path alignment over extended distances.
- M6 tapped holes arranged on standardized 25 × 25 mm and 50 × 50 mm grids provide flexible, repeatable component positioning compatible with Thorlabs, Newport, and other international optomechanical standards.
- Honeycomb core constructed from rolled medium-carbon steel delivers high specific stiffness and internal damping—critical for attenuating broadband floor-borne vibrations (e.g., HVAC, footfall, nearby equipment) without external power or maintenance.
- Maximum static deflection under rated load (≤ 150 kg/m²) remains within ±1.5 µm across full surface area; operational vibration amplitude remains ≤ 3 µm RMS under typical urban laboratory ambient conditions (ISO 2631-2 Class B).
Sample Compatibility & Compliance
The WSZ-1D accommodates standard optical components—including HeNe lasers, spatial filters, beam splitters, CCD/CMOS imaging systems, and piezo-driven nanopositioners—without requiring recalibration due to thermal drift or pneumatic settling. Its non-pneumatic construction eliminates risks associated with air line failure, moisture condensation, or pressure fluctuations—key considerations in cleanroom installations (ISO Class 5–7), GLP-compliant calibration labs, and long-duration unattended experiments. The table complies with mechanical interface specifications referenced in ISO 10137 (vibrations in buildings), ASTM E1776 (standard guide for vibration testing of optical instruments), and supports audit-ready documentation for ISO/IEC 17025-accredited facilities.
Software & Data Management
As a passive mechanical platform, the WSZ-1D does not incorporate embedded electronics, firmware, or software interfaces. All performance validation—including flatness mapping, resonance characterization, and surface roughness certification—is performed using NIST-traceable instrumentation (e.g., Zygo NewView interferometers, Mitutoyo Surftest SJ-410 profilometers) prior to shipment. Calibration reports—including point-cloud deviation maps and modal analysis summaries—are provided digitally in PDF and CSV formats, enabling integration into lab-wide asset management systems and supporting FDA 21 CFR Part 11-compliant electronic record retention when paired with validated document control workflows.
Applications
- Laser interferometer gravitational-wave observatory (LIGO)-style alignment benches requiring sub-micron positional stability over hours.
- Confocal and super-resolution microscopy staging where acoustic coupling from compressors must be eliminated.
- Calibration of coordinate measuring machines (CMMs), laser trackers, and digital holographic interferometers.
- Quantum computing testbeds involving trapped ions or superconducting qubits sensitive to magnetic noise and low-frequency vibration.
- Education and training laboratories seeking robust, maintenance-free optical platforms aligned with ABET-accredited engineering curricula.
- Industrial R&D labs performing ISO 1101 geometric tolerance verification on precision machined parts.
FAQ
Is the WSZ-1D compatible with magnetic optical mounts?
Yes—the top plate is fabricated from high-permeability stainless steel, providing uniform magnetic flux distribution and secure holding force for ferromagnetic clamps and kinematic bases.
What is the maximum recommended payload per unit area?
The design supports up to 150 kg/m² uniformly distributed load while maintaining flatness and resonance performance; localized point loads exceeding 50 kg require consultation with structural engineering documentation.
Does the table require anchoring to the floor?
Anchoring is optional but recommended for installations in seismically active zones or where lateral displacement must be constrained during high-acceleration equipment operation.
Can custom hole patterns or cutouts be added?
Yes—Topo offers OEM machining services including non-standard thread specifications, recessed mounting zones, cable management grooves, and integrated grounding studs upon request.
How is flatness verified before shipment?
Each unit undergoes full-surface interferometric measurement using a Zygo Verifire™ HD system; certified flatness data is included in the delivery dossier.
