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Polarization


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Brewster’s Angle Apparatus
Model: HO-ED-P-01
Price : $ 1,229.00

Holmarc's Brewster's Angle Apparatus (Model No: HO-ED-P-01) is designed to study the Brewster’s angle phenomenon and the polarization of reflected light. The essential elements of the apparatus consists of a goniometer, a laser light source capable of projecting a light beam that is linearly polarized in its plane of incidence, and a pinhole photo detector with output measurement unit for detecting and measuring the intensity of light reflected. The diode laser and polarizer rotator are mounted on an optical rail.

Intensities of reflected light polarized in the plane of incidence and perpendicular to the plane are obtained as a function of angle of incidence. The results should be consistent with Fresnel's laws of reflection.

A beam of light incident on a di-electric transparent material can be resolved into parallel (P) and orthogonal (S) components. These components have different reflection coefficients and Brewster discovered that at a particular angle of incidence Ɵв (called Brewster angle), reflection co-efficient of P-component goes zero. At this angle, direction of reflected and transmitted beam are orthogonal to each other.

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Experiment

Scope of Supply

Goniometer with Detector Mount

Model No: ED-P-01-GDM
Resolution of prism table : 10 arc min
Resolution of stage : 1 arc min
Quantity : 1 no.

Optical Rail

Model No: ED-P-01-OR
Length : 300 mm
Material : Black anodized Aluminum alloy
Quantity : 1 no.

Kinematic Laser Mount

Model No: ED-P-01-KLM
Material : Black anodized Aluminum alloy
Adjustments : Using 80 tpi lead screws
Adjustment Range : +/-4 degrees
Quantity : 1 no.

Polarizer Rotator with Mount

Model No: ED-P-01-PRM
Material : Sheet Polarizer
Rotation : 360 degree
Resolution : 1 degree
Quantity : 1 no.

Glass Slide

Model No: ED-P-01-GS
Dimension : 75 x 25 mm
Thickness : 1 mm
Material : Float
Quantity : 5 nos.

Diode Laser with Power supply (Red)

Model No: ED-P-01-DLPR
Wave length : 650 nm
Optical power : 3 mW
Quantity : 1 no.

Detector Output Measurement Unit

Model No: ED-P-01-DOMU
Sensor Type : Photo Transistor
Display : 7 segment, 3 ½ digit
Range : 0 - 199 milli / micro amperes
Quantity : 1 no.

Accessories

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

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   +91 0484 2953780 / 0484 2953781
   sales@holmarc.com
   Mon - Sat : 9 am to 5 pm

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