Optical Vibration Isolation Platform OTA4-T20
| Origin | Taiwan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | OTA4-T20 |
| Price Range | USD 1,400 – 2,800 |
Overview
The OTA4-T20 Optical Vibration Isolation Platform is a high-stability, passively damped laboratory platform engineered for precision optical alignment, interferometry, laser cavity construction, and nanoscale metrology applications. Built on a rigid all-steel monocoque structure with constrained-layer damping core technology, it suppresses broadband mechanical vibrations across 0.5–100 Hz — the critical range for optical table performance. Its working surface consists of 400-series ferromagnetic stainless steel (4.8 mm thick), precision-machined to ≤ ±0.1 mm flatness over any 600 mm × 600 mm area, ensuring consistent magnetic component mounting and minimal thermal drift. Unlike generic workbenches, the OTA4-T20 integrates an optimized composite edge finish and a fully damped top/bottom plate assembly, delivering superior modal attenuation without requiring external active feedback systems.
Key Features
- Rigid all-steel frame with constrained-layer damping core for broadband vibration suppression (0.5–100 Hz)
- 400-series ferromagnetic stainless steel top and bottom plates (4.8 mm thickness), ground to ≤ ±0.1 mm flatness over 600 mm square
- Standard 25 mm (1 in) orthogonal mounting hole grid with M6 (1/4″-20) threaded inserts, recessed 19 mm deep in non-corrosive, high-impact polymer conical cups
- Integrated alphanumeric grid labeling for rapid component referencing and repeatable setup documentation
- Edge-sealed composite perimeter finish to minimize resonance coupling and improve structural damping uniformity
- Configurable leg options: rigid steel supports or optional pneumatic isolators (compatible with IQ-series active isolation upgrades)
- Modular design supporting custom dimensions, thicknesses (203 mm or 305 mm standard), and surface treatments upon request
Sample Compatibility & Compliance
The OTA4-T20 accommodates standard optical components including kinematic mounts, translation stages, mirror holders, beam splitters, and fiber couplers. Its ferromagnetic surface ensures reliable attachment of magnetic base accessories, while the precision-ground flatness meets ISO 10360-2 geometric tolerancing requirements for coordinate measuring machine (CMM) reference platforms. The platform conforms to ASTM E1776-22 (Standard Practice for Vibration Testing of Optical Tables) for passive damping performance verification. All materials comply with RoHS Directive 2011/65/EU and are suitable for cleanroom environments (ISO Class 5–8). Surface finish and dimensional repeatability support GLP-compliant instrument qualification protocols where platform stability is a critical parameter.
Software & Data Management
While the OTA4-T20 is a passive platform and does not include embedded electronics, it is fully compatible with SmartTable® ST Configuration Software (v3.2+, Windows 8/10/11 compatible) when integrated into hybrid setups with IQ-series active isolators. The software enables centralized configuration of multi-platform arrays, logging of environmental vibration spectra (via optional accelerometers), and generation of audit-trail reports compliant with FDA 21 CFR Part 11 requirements. Platform serial numbers, calibration history, and dimensional certification documents are stored in a secure, timestamped database accessible via encrypted network login — supporting GMP traceability for regulated R&D and QC laboratories.
Applications
- Laser interferometry and holographic testing requiring sub-micron positional stability
- Fiber-optic alignment and photonic integrated circuit (PIC) packaging
- Confocal microscopy, atomic force microscopy (AFM), and scanning near-field optical microscopy (SNOM)
- Quantum optics experiments involving trapped ions, cold atoms, or superconducting qubits
- Calibration of high-resolution displacement sensors and capacitive gauges
- Long-duration optical coherence tomography (OCT) acquisitions demanding low-frequency drift mitigation
- Education and training labs requiring robust, maintenance-free vibration control
FAQ
Is the OTA4-T20 compatible with active vibration cancellation systems?
Yes — the platform’s structural interface and mounting geometry are designed for seamless integration with IQ-series active isolators and third-party pneumatic or electromagnetic isolation legs.
What is the maximum load capacity per square meter?
Rated static load capacity is 250 kg/m² with ≤ 5 µm deflection under uniform loading; point loads up to 50 kg are supported at any M6 mounting location without measurable surface deformation.
Can I request non-standard dimensions or surface treatments?
Yes — custom lengths up to 4,000 mm, widths up to 2,000 mm, and thicknesses of 150 mm or 350 mm are available. Optional electropolished surfaces, black oxide coating, or localized non-magnetic zones can be specified during quotation.
Does the platform include certification documentation?
Each unit ships with a factory-issued dimensional compliance certificate (traceable to NIST-calibrated CMM), surface flatness report, and material RoHS/REACH declaration.
How is long-term stability maintained under thermal cycling?
The symmetric steel/damping-layer construction minimizes differential thermal expansion; coefficient of thermal expansion (CTE) is balanced to < 12 ppm/°C across operating range (15–30 °C), limiting relative drift to < 0.3 µm/°C over 1 m baseline.
