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Interferometry


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Fizeau Interferometer
Model: HO-ED-INT-14
Price : $ 16,484.00

Fizeau Interferometer is one of the simplest and most versatile interferometers and is popular for routine measurements of both flat and spherical surfaces. It is used to measure optical components such as flats, prisms, lenses, or precision metal parts such as bearings, sealing surfaces or polished ceramics. Measurements can be made by using the static fringe analysis software.

The Holmarc Fizeau interferometer (model no: HO-ED-INT-14) basically comes with high optical quality (λ / 20) reference flat. The reflection from the test surface interferes with the reflection from reference flat, producing fringes. The shape and quality of the fringes depends on surface quality of the test flat. The fringes are digitalized using a high resolution CCD camera. By analyzing the fringes, we can obtain the P-V flatness, RMS flatness, 3D surface plot etc. The instrument is built upright to fix the test sample easily. The tip / tilt test base allows the test sample to align with the reference surface. High quality aberration corrected optical design enhances performance.

Experiment

   To measure the optical flatness of different surfaces

The refractive index of the solid prism using the formula,

n    =    sin  ( (α+β) / 2 )   /   sin (α/2)

Where α is angle of the prism and β is angle of minimum deviation.

Scope of Supply

Fizeau Interferometer

Model No: No: ED-INT-14-FI
Height : 1200 mm
Base : 400 x 300 mm
Specification : As shown above
Quantity : 1 no.

Spatial filter Assembly

Model No: ED-INT-14-SPA
Magnification : 60 X
Pinhole Size : 5 micron
Quantity : 1 no.

Beamsplitter

Model No: ED-INT-14-BS
Material : Borofloat
Size : 50 x 50 mm
R/T Ratio : 50 : 50
Quantity : 1 no.

Achromat Doublet with Mount

Model No: ED-INT-14-ADM
Diameter : 100 mm
Focal length : 500 mm
Quantity : 1 no.

Reference Flat with Mount

Model No: ED-INT-14-RFM
Material : Fused Silica
Diameter : 100 mm
Quantity : 1 no.

Test Flat with Mount

Model No: ED-INT-14-TFM
Material : Borofloat
Diameter : 100 mm
Quantity : 1 no.

Camera Lens Assembly

Model No: ED-INT-14-CLA
Focal length : 65 mm
Quantity : 1 no. each

DPSS Laser

Model No: ED-INT-14-DPSL
Wave length : 532 nm
Output power : 5 mW
Quantity : 1 no.

CCD Camera

Model No: ED-INT-14-CCDC
Resolution : 1280 x 1024 pixels
Quantity : 1 no.

Accessories

Allen Key
Software CD
Instruction Manual

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Established in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.

ISO 9001:2015 Made in INDIA

Get in Touch

    B.7., H.M.T. Industrial Estate H.M.T. P.O, Kalamassery, Kochi Kerala, India - 683 503
   +91 920-719-7772 / 6 / 1
   sales@holmarc.com
   Mon - Sat : 9 am to 5 pm

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