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  Home > Classroom Equipment > Advanced Physics Equipment >

Interferometer - Michelson & Fabry-Perot
Interferometer - Michelson & Fabry-Perot


 
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Interferometer - Michelson & Farby-Perot - Built To Order
Our Price: $3,635.00


Availability: See Product Text For Shipping Time
Product Code: 2475
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Description
 
PLEASE NOTE: Advanced Physics Equipment is built-upon-order. We do not stock these items in house, but order them built when an order is placed. Build orders take approximately 90 days.

• Precise, solidly constructed instrument for advanced studies

• Easily interchangeable Michelson and Fabry-Pérot configurations

• Precision geared mirror drive for 0.0001mm resolution

The Michelson/Fabry-Pérot Interferometer base consists of a substantial casting that supports a machined and ground lathe bed at a convenient height for observation. The lathe bed has a precise 1mm pitch geared lead screw to adjust the movable mirror carriage. The large coarse adjustment knob sets the mirror position to within 0.01mm, read on a 205mm divided steel scale and a numbered dial for fractions of a millimeter. A further graduated fine adjustment knob reads to 0.0001mm, and is an excellent control for precise displacements and ring counting.

The interferometer optics fixed parts are mounted on vertical steel plates that attach to the side of lathe bed, while the movable mirrors for both configurations are fitted directly onto the moving carriage. Each mirror carries three coarse adjustment screws, and the fixed mirrors also have a two-dimensional flexion bar fine adjustment system. The optical elements themselves are of high quality optical glass, with surfaces flat to within 1/4 wavelength of green light, giving high quality images across the visible spectrum.

The instrument includes a 3x fixed focus telescope with diopter adjustment for viewing remotely located fringe patterns and a 70mm
diameter ground glass screen with a 5mm pitch grid for easy setup and viewing projected localized fringes. An operator’s manual is also included.

Due to its precise construction, large range of mirror movement, and high quality optics, this instrument is ideal for precise wavelength
determinations, refractive index measurements, and other demanding optical work.

Specifications

Optics

Michelson mirror diameter: 34mm
Beam splitter & compensation plate: 35 x 40mm, 7.5mm thick
Distance, beam splitter to fixed mirror: 70mm
Fabry-Pérot mirror diameter: 24mm

Mechanical

Maximum mirror travel: 175mm (Michelson), 195mm (Fabry-Pérot)
Gearing: Coarse; 2.00mm per turn, fine: 0.01mm per turn
Dimensions: 55 x 22 x 40cm, weight: 19.4 kg

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