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SEM-5702 Michelson interferometer 
EXW Price:
$2,029.00~2,150.00
Note: "All prices are shown in US$. Prices exclude tax, logistics, custom and trade tariffs."
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Experiments

a) Observing the interference of light (equal thickness fringes,isoclinic fringes,white light color fringes);

b) Measuring the wavelength of He-Ne laser;

c) Measuring the coherent length of light source and filter;

d) Observing the interference phenomenon of multi beams with Fabri Perot system;

e) Measuring the thickness and refractive index of filter;

f) Measuring the air refractive index (Need SEM-5702-02).


Features

a) Two-dimension precise adjustable screw pitch:0.25mm;

b) Pedestals and guide rails which are made of cast iron lead to good stabilities;

c ) Reading accuracy:0.0001mm;

d) The planeness of beam splitters and compensation plates:λ/30.


Specifications

100mm or 200mm travel

Micro-handwheel's indexing is 0.0001mm

Wavelength measurement accuracy: when the fringe number is 100, the relative error of monochromatic wavelength less than 2%

Linearity error of track is ±16 "

Flatness of splitting plate and compensation plate is λ/30

Flatness of movable mirror and reference mirror is λ/20

Pitch of precision 2D Mount is 0.25mm


Typical Experiments and Data

a) Observing the interference of light (equal thickness fringes,isoclinic fringes,white light color fringes

b) Measuring the wavelength of He-Ne laser

微信图片_20200414095323.png

N: number of turns; di: distance; λi: wavelength

λaverage = 0.000669888mm = 669.888nm

U = 0.00005mm = 50nm (Instrument error)

λ = λaverage ± U = 669.888 ± 50nm 4

c) Measuring the coherent length of light source and filter;

d) Observing the interference phenomenon of multi beams with Fabri Perot system;

e) Measuring the thickness and refractive index of filter;

f) Measuring the air refractive index (Need SEM-5702-02).


Parts List

微信图片_20200414095355.png

微信图片_20200416152328.png


Order Information

1) Michelson interferometer with a He-Ne Laser, 100mm travel, SEM-5702-01

2) Michelson interferometer with a He-Ne Laser, 200mm travel, SEM-5702-02

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