SmartTables® are an elegant combination of Newport's IQ Damping Technology®, user friendly design, and extensive manufacturing experience. They are the first and only actively damped optical tabletops in the market, leading the revolution of smarter vibration control products that are able to optimize performance specific to the user applications.
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Specifications
Type
SmartTable® Optical Table Top
Broadband Damping
Constrained layer core, damped working surface and composite edge finish
Tuned Damping
No
Active Damping
2 IQ active dampers
Structural Damping Range
80 to 550 Hz
Working Surface
4.8 mm thick ferromagnetic 430 stainless steel
Surface Flatness
±0.004 in. (0.1 mm) over 2 ft. (600 mm) square
Mounting Holes
1/4-20 M6 (M- Versions)
Mounting Hole Pattern
1.0 in. grid 25 mm grid (M- Versions)
Alpha-Numeric Grid Labels
Yes
Mounting Hole Borders
0.5 in. 12.5 mm (M- Versions)
Hole Sealing Type
Easy clean conical cup, 0.75 in. (19 mm) deep, non-corrosive high impact polymer material
Bottom Skin Material
4.8 mm thick carbon steel
Core Design
Trussed honeycomb, vertically bonded closed cell construction, 0.010 in. steel sheet materials, 0.030 in. triple core interface
Vibration Monitor Range
10 to 820 Hz
Computer Interface
USB
Power Requirements
100-240 VAC; 1.5A, 50/60Hz
Features
SmartTable Optical Table Top Overview
Learn about the features and performance of our innovative SmartTable optical table tops.
SmartTable Optical Table Installation
Learn about how to install your new SmartTable optical table.
SmartTable Active and Broadband Damping Performance
ST Series SmartTable optical table tops feature two IQ active dampers which effectively address medium frequency resonances of optical tables by sensing the vibrations and driving shakers at the opposite phase of the vibrations to cancel them out. Broadband damping is provided by a 4.8 mm thick table skin, a constrained layer core that attenuates broadband vibration, a damped working surface that eliminates skin resonance, and a composite edge finish that eliminates sidewall resonance.
The compliance curve shows the positional motion of the structure for a given excitation force and frequency. The dashed red line is the rigid body line showing how an ideal optical table would perform with no relative motion. The blue line shows the natural frequencies of the optical table and how they these deviate from that of a rigid body. The red line shows the full damping performance with active damping turned on.
Compliance curve for a ST 4 ft x 8 ft x 8 in. (1200 x 2400 x 203 mm) table top.
Intelligent Q (IQ) Active Damping Technology
At the core of our SmartTable optical table tops is an advanced damping technology called Intelligent Q (IQ) Damping. It effectively addresses the medium frequency resonances of optical tables from 80 to 550 Hz by incorporating two pairs of sensors and actuators in the optical table top design. An external controller is used to coordinate the signal processing, enabling a fast and accurate damping response. Each sensor-actuator pair is controlled by a separate control channel. The sensor senses the vibrations and the actuator outputs a signal to compensate for the vibrations. The pre-amplifiers and band-pass filters condition the sensor output signal before feeding it to the digital controller. The digital controller implements recursive filters that compensate for the dynamic response of the shaker and correct the phase to bring the phase difference between the displacement and force close to (-π/2) in the desired frequency range.
Easy Set-up with One-Button Auto Tuning
SmartTable active damping products are easy to set up and operate. Simply connect the IQ dampers with controller and press "Auto-Tune" button on the controller, the system will automatically find the resonances of the table and set gain parameters. Once the tuning is finished, the dampers will start working to damp vibrations on your tabletop real time. This feature also enables users to improve their table performance under different payload or payload distributions - press "Auto-Tune" when you have a major change in your set up to achieve the maximized damping performance.
24/7 Vibration Monitoring Capability
The ST-300 active damping controller comes with powerful and intuitive software that allows user to generate FFT plots, time response plots and save graphs or export data for further analysis. The ST-300 software also provides time continuous 10 to 820 Hz vibration data monitoring that could be used as a system trouble shooting tool for long duration experiments.
Effective Active Damping
When the IQ damping system is activated, the motion on the table is minimized. Active damping eliminates main resonance vibration peaks in vibration spectra created by random excitation, particularly in the sensitive 100-300 Hz range.
Faster Settling Time
Compared with broadband damping technologies, IQ damping provides much more accurate and timely compensation across the entire working ranges of the actuator-sensor pairs, delivering a quiet tabletop surface for any challenging applications.
Super Rigid Trussed Honeycomb Core Design
The honeycomb core in our optical tables is different than our competitors. Each piece of the corrugated honeycomb steel sheet is emerged in proprietary elastomeric vibration absorbing materials and bonded vertically throughout the height of the optical breadboard or optical table, creating a much stiffer honeycomb core structure. This labor intensive procedure makes sure that Newport's optical breadboard or optical table has the most robust honeycomb structures.
Vertically Bonded Triple Core Interface
All Newport tables are vertically bonded along the height of the honeycomb core. Most other manufacturers forego this extra step because of added expense and time required to apply adhesive to each individual core member. Vertical bonding adds constrained layer damping effects into the core, while maximizing the table’s rigidity-to-weight ratio. The trussed core design enables a triple core interface at each honeycomb cell. Whereas open core designs only have two structural members at each interface, the Newport table has three offering a 50% increase in local rigidity. The three sheets are fully bonded for the full table height producing greater stiffness.
Highly Damped Side Panels
Side panels for optical tables are more than just covers. They should contribute to the overall damping performance of the table. Our optical tables use highly damped composite wood as side panels to help eliminate vibrations from the side. Composite wood has a much better damping performance than steel has a high elasticity and tends to allow vibration or ringing. Materials with low elasticity such as wood tend to dampen vibration and ringing. For example, home stereo speakers are typically enclosed by composite wood to damp the acoustic vibrations.
Individually Sealed Mounting Holes
All of Newport's optical breadboards and tables are with individually sealed mounting holes. Those mounting holes feature 19 mm screw depth and in contrast to some of the other products in the market that has channel for a row of holes or just a polymeric film, Newport's individually sealed holes are more reliable and easier to clean. This is because we believe in the integrity of the product - especially the core. When dust and liquids go into your optical breadboard and table, it may have a long term effect on the damping performance of the product and make the product degrade over time. A good quality breadboard and table lasts long time - tens of years and more. It's a good investment for a product with sealed mounting holes.
Precision Grid of Tapped, Countersunk & Deburred Mounting Holes
The 1/4-20 or M6 tapped mounting holes are countersunk and deburred. This ensures easy thread engagement while eliminating contamination problems. The mounting holes are located on a 1 in. or 25 mm grid with standard grid markings for easy and repeatable component placement.
Unique Pressure Bonding Process Ensures Superior Flatness
Metrology quality steel assembly platens are used to ensure the superior flatness of our optical tables. The platen supports the top surface of the table during the assembly and bonding process and imprints the top surface with the same flatness characteristics. Our platens are the largest and flattest in the industry. We use gravity pressure bonding to apply constant pressure across the optical table during the bonding process ensuring that the top surface conforms to the platen flatness.
Optical Table Support Options
We offer three types of supports for our optical tables. S-2000A Series pneumatic vibration isolators with automatic re-leveling provide industry leading vibration isolation performance, and includes an integrated, mechanical height adjustment system to allow improved table leveling, height control and compensation for non-level floors. SL Series closed pneumatic vibration isolators offer vibration isolation at a very affordable price when automatic re-leveling is not required. The isolators remove floor vibrations in the 10 Hz to 50 Hz range and support a wide variety of less rigorous research and production applications. RL Series non-isolating support legs offer rigid high load support where vibration isolation is not required.
Optical Table Accessory Options
We offer a compete set of optical table accessories to free up space on your optical table or enclose a table top experiment of application. Accessories include:
Nanostructure Imaging Improvements with SmartTables
The Nanostructures shown in the images above were built on and imaged with a Newport SmartTable optical table top. The image on the left was built with SmartTable active damping disabled. The image on the right was built with SmartTable active damping enabled. Source for images: Steven E. Kooi, Ph.D. Research Engineer, Institute for Solder Nanotechnologies, MIT
Custom SmartTable Design Options
Newport has a dedicated custom design team for your custom needs. This team has been working with various types of materials, shapes (see doubled table tops), structures, hole patterns (and many more) for over 40 years, and has served customers across the world in research, aerospace, semiconductor and medical related fields. Newport is committed to providing: The most accurate and timely quoting response; The most professional communications of custom design review and changes; The optimum turnaround time and the highest quality end product. Contact Newport today for your custom needs.
Optical Table Selection Guide
Newport offers a wide variety of Optical Tables including our broadband damped RPR Series Optical Tables, precision tuned damped RS Series Optical Tables, and actively damped SmartTable Optical Tables with IQ Damping Technology. Our optical table solutions are designed to fit any performance, budget and delivery need. From very demanding applications like confocal microscopy, spectroscopy or interferometry, to applications under a small budget, Newport has the right optical table for them all.
1. Upgradable SmartTable can be field upgraded to Hybrid SmartTable by installing two active IQ dampers.
2. Table system is offered with pneumatic isolation support or rigid support. The table top in table system has different leg mounting holes than standalone table tops.
3. The compliance curve is based on a 4 ft x 8 ft x 12 in table top.
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