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MOM Movable Objective Microscope

The Movable Objective Microscope (MOM) is designed to be an ultra-stable, versatile, fluorescence platform for electrophysiology experiments.
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MOM

MOM Movable Objective Microscope

The Movable Objective Microscope (MOM) is designed to be an ultra-stable, versatile, fluorescence platform for electrophysiology experiments. The MOM is a new alternative to the popular technique employing a fixed-stage, upright microscope on a translating X-Y table. The advantage of the MOM is that only the microscope objective is moving in 3 dimensions. The main frame of the microscope, including the light source and camera mount, is firmly bolted to the tabletop via a rock solid aluminum extrusion.

Additionally, the microscope body is very compact, allowing easy access for multiple manipulators. The fixed stage is based on one of our Sutter MT-75 gantry columns that have already proven themselves as solid supports for manipulators and as fixed stages in our own microscope-translator system, the MT-1000. Furthermore, because there is no microscope frame below the objective, it is easy to use this microscope on in vivo preparations where an animal is immobilized on a special stage or stereotaxic frame.

Finally, the microscope is easily convertible from an upright to an inverted microscope. This would allow for fixed-stage electrophysiology experiments on cells in culture. Current designs require a massive translator and fixed stage in combination with a commercial inverted scope.


MOM Features

 

  • Objective moves 22mm in X, Y and Z
  • Objective rotates about optical axis for imaging of non-horizontal surfaces and volumes
  • Cambridge Technology 6210 XY scanners with 3mm dielectric mirrors and Micromax 673 dual axis controllers
  • Two channel detector system with Hamamatsu R6357 PMTs and C7319 preamplifiers
  • Sutter PS-2 dual channel PMT power supply
  • National Instruments NI-6110 based data acquisition system

Specifications

 

MOM Specifications  
Travel 1 inch 25mm on all three axes
Resolution Low: 0.2µm/step
High: 0.4µm/step
Maximum Speed 2.9mm/sec
Long Term Stability <10nm/hour at 24deg C
Drive Mechanism Precision worm gear capstan drive
Serial Interface RS-232, 9600 baud (1 start bit, 8 data bits, 1 stop bit)
Electrical 115/230 Volts 50/60 Hertz power line
   
PS-2 PMT POWER SUPPLY Specifications  
Electrical 115/230 Volts 50/60 Hertz power line
   
LB-LS/OF30 XENON ARC LAMP Specifications  
Lamp Life 1000 hours(Bulb warranteed for 500 hours Longer life depends on application Expected life is 1000 hours)
Electrical 115/230 Volts 50/60 Hertz power line

 


 

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