SmartTable® upgradeable optical tables feature Newport's patented precision tuned mechanical dampers with same performance level as our popular RS2000 tables. It delivers solid damping for applications such as microscopy and spectroscopy, while providing room to upgrade in the future to active damping technology for a hybrid damped solution.
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smarttable-upgradable-optical-tables - Drawings
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Specifications
Type
Upgradable SmartTable® Optical Table Top
Broadband Damping
Constrained layer core, damped working surface and composite edge finish
Tuned Damping
2 Precision Tuned Dampers
Active Damping
Upgradable to Active Damping
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
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.
Active, Tuned, and Broadband Damping Performance
ST-UT2 Series upgradable SmartTable optical table tops includes two precision tuned dampers and can be field upgraded to SST SmartTable HD performance levels. 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. Two precision tuned dampers selectively eliminate two fundamental structural table modes and their entire harmonics. Using the upgrade kit, two IQ active dampers can be added to 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.
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. The table must be upgraded to active damping to achieve the red line performance.
Compliance curve for an upgraded ST-UT2 4 ft x 8 ft x 8 in. (1200 x 2400 x 203 mm) table top.
Tuned Mass Damping - The Most Effective Passive Damping Method
Hybrid Damped and Upgradable SmartTable® optical table systems feature precision Tuned Mass Damping (TMD) technology to eliminate table resonances. TMD is the most effective method among all known passive damping methods, as it concentrates damping efforts where it's needed at the frequencies of dominant resonance modes. It is widely used in various industries for its efficiency and effectiveness of damping, such as the famous Grand Canyon Skywalk, Taipei 101 Building, and NASA's Ares I rocket. Compared to our top competitor's broadband damping methods which absorbs a moderate amount of vibration energy equally over the broadband, our tuned mass damping method targets at resonances and as a result is much more effective. The precisely tuned dampers work from as low as 25 Hz and go all the way up to 525 Hz, creating opportunity for optimum damping on larger optical tables, the resonances of which often fall outside of competitor's broadband frequency range. Once tuned at factory the dampers are locked securely and the frequency would not shift during shipping of the table.
Easy Field Upgrade to Hybrid Damping Performance
As your application requirements become more stringent, the Upgradeable SmartTable can be field upgraded to Hybrid Damped Top Performance SmartTable performance levels by installing an IQ-300-UG upgrade kit. Each upgrade kit includes two active IQ dampers, ST-300 controller and instruction manuals to easily convert your passively damped optical table into the best performance optical table in the market. There is no need to dismantle your experiment in order to upgrade the table. Once upgraded, the table will provide a dramatically quieter table surface, resulting in high quality imaging, improved long term stability, faster settling times and the ability to make measurements that previously required the quietest lab environments.
A demonstration of how to upgrade to hybrid SmartTable performance without dismantling an experiment
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:
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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