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Vibration Isolation for Microscopy Applications

  • Portable, Passive Isolation System
  • Compatible with Leica, Olympus, Nikon, and Zeiss Microscopes
  • Provides Large Working Area and Three-Point Stability


Breadboard can be Purchased Separately

PTT900600 IsoPlate

Breadboard Available Separately
Microscope Not Included

Related Items

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Load Capacity, Including Breadboard 45 - 180 kg (100 - 400 lb)
Resonant Frequencya 3.5 Hz
Transmissibility at Resonancea 24 dB
Transmissibility at 10 Hz -16 dB
(0.15 Transmissibility Ratio)
Transmissibility Curve
Air Pressure Required (Max) 60 psi (415 kPa)
Air Connection Schrader Valve
Inflation Method Foot Pump
  • Measured at the maximum load of the IsoPlate.


  • Portable, Passive Vibration Isolation
  • Designed for Major Manufacturers' Microscopes
  • Two Sizes:
    • 600 mm x 600 mm (23.6" x 23.6")
    • 900 mm x 600 mm (35.4" x 23.6")
  • Load Capacity, Including Breadboard: 45 - 180 kg (100 - 400 lb)

Thorlabs' IsoPlate Vibration Damping Systems provide passive vibration isolation for medium-sensitivity microscopy measurements. They consist of a lightweight support base with pneumatic isolators at all four corners. A choice of breadboards is available separately, with an array of 1/4"-20 or M6 tapped holes, or an untapped (no holes) work surface. This two-piece design is simple to install and minimizes coupling between the microscope, table, and floor. It is compatible with any breadboard and microscope pair which has a combined weight that is less than 180 kg.

The IsoPlate support plate contains four rubber pads, underneath which are four inflated cushions. A pair of these cushions shares an air reservoir, and the remaining two cushions have independent reservoirs. This arrangement provides stable, three-point dynamics to the system. For a detailed plot of the transmissibility from 1 Hz to 50 Hz, please see the Graphs tab.

Air suspension is achieved by three Schrader valves on the front panel of the IsoPlate, which can be inflated by a standard foot pump.

Measured Transmissibility Curve

Transmissibility curve for passive isolation
This graph shows the measured vibration transmissibility for frequencies from 1 Hz to 50 Hz

Posted Comments:
user  (posted 2019-12-16 09:56:42.24)
Can I put a breadboard which is larger than the IsoPlate on the IsoPlate? e.g. a 600 x 1200 mm breadboard on the 600 x 900 IsoPlate.
cwright  (posted 2019-12-20 05:36:55.0)
Response from Charles at Thorlabs: Hello, this should not be a problem. Even a 60 mm Nexus breadboard this size would still be within the load capacity and this will not affect the isolation.
user  (posted 2019-09-11 22:21:21.25)
Dear Sir/Madam, We want to purchase PTT600600 - IsoPlate System, 600 mm x 600 mm x 90 mm Would you be so kind to send us quotation for this item? Sincerely Dr. Albina Musin Ariel University Ariel 40700, Israel Tel. +972-3-9066217 Fax +972-3-9066234
YLohia  (posted 2019-09-11 10:56:52.0)
Hello, our sales team will reach out to you directly.
Michael Roderick  (posted 2019-09-05 14:17:11.85)
What temperature swings can this handle, we want to put it into an environmental chamber so it will dampen the vibrations the chamber creates? Thank you Mike
rmiron  (posted 2019-09-09 11:20:52.0)
Response from Radu at Thorlabs: Hello Mike. The recommended environmental temperature range for this system is -10 to 60 deg C. For very short time scales, it can be pushed to more extreme temperatures: -20 to 80 deg C. With that being said, significant thermal fluctuations will lead to significant fluctuations in height. If you are only looking to eliminate high-frequency noise, the system should still be suitable as thermal drift would probably be quasi-static in comparison. However, if thermal drift would be problematic, then we can't recommend this system.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PTT600600 Support Documentation
PTT600600IsoPlate System, 600 mm x 600 mm x 90 mm (23.6" x 23.6" x 3.5")
PTT900600 Support Documentation
PTT900600IsoPlate System, 900 mm x 600 mm x 90 mm (35.4" x 23.6" x 3.5")
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