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LEOK-30 Newton's Ring Apparatus - Complete Model
Category: Optical Experiment System  Publish Time: 2014-07-04 22:16 

LEOK-30 Newton's Ring Apparatus - Complete Model
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 Part NO. :  DCFBG-series
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LEOK-30 Newton's Ring Apparatus - Complete Model

Description
The phenomenon of Newton's rings, named after Isaac Newton, is an interference pattern caused by the reflection of light between two surfaces - a spherical surface and an adjacent flat surface. When viewed with monochromatic light, it appears as a series of concentric, alternating light and dark rings centered at the point of contact between the two surfaces. Using this apparatus, students can observe the phenomenon of equal-thickness interference. By measuring interference fringe separation, curvature of the spherical surface can be calculated.

Schematic of a lens and a flat plate used to form Newton’s Rings
Feathure
Including Sodium lamp with power supply
Including reading microscope for accurate measurement
Compact structure
Detailed instruction manual
Application
a. Fresnel holographic photography
b. Image plane holography
c. One-step rainbow holographic photography
d. Two-step rainbow holographic photography
e. Holographic grating fabrication
f. Holographic lens fabrication
g. High-density high-capacity holographic data storage
h. Holographic interferometry
i. Holographic reproduction
Specification

Minimum Division of Reading Drum

0.01 mm

Magnification

20x, (1x, f = 38 mm for Objective; 20x, f = 16.6 mm for Eyepiece)

Working Distance

76 mm

View Field

10 mm

Measurement Range of Reticle

8 mm

Measurement Accuracy

0.01 mm

Sodium Lamp

15 ± 5 V AC, 20 W

Radius of Curvature ofNewton's Ring

868.5 mm

Beam Splitter

5:5

Part list

Description

Qty

Sodium lamp (LLE-2)

1

Reading microscope

1

Newton's ring assembly (LEPO-38)

1

Beam splitter

1

Focusing knob

1

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