Physics Lab Equipment

LEOK-7-4.jpg

Schematic of instrument

1. Laser, 2. Beam expander 3. Beam splitter assembly, 4. Whiteboard 5. Dial disk, 6. Battery box

20151013-145038243640.jpg Principle of vision correction

LEOK-7-1.jpgLEOK-7-2.jpg

Please see "Part List" for item descriptions

LEOK-7 Laser Optical Demonstration Instrument

LEOK-7 Laser Optical Demonstration Instrument

Features

  • 47 fundamental experiment examples

  • Cost effective solution

  • Detailed instruction manual

  • Easy alignment



Introduction

The LEOK-7 Laser Optical Demonstration Instrument is developed as a low-cost solution to lower class optical education at universities and colleges. It provides a complete set of optical and mechanical components as well as light source.

 

A laser beam is emitted from a diode laser and expanded by a cylindrical lens. A beam splitter assembly then creates three equally intense beams. These beams' positions and directions can be adjustable independently and beam tracks are presented on a white board. A rotational disk with angular scales is located at the center of the board. There is a hole in the disk center for mounting various optical components. By inserting proper optical components into the optical path, numerous optics experiments can be demonstrated (covering ray optics, imaging optics, and optical instruments). 


A list of 47 experimental examples can be conducted as follows:

 

1. Rectilinear propagation of light rays

2. Independent propagation of light rays

3. Law of light reflection

4. Beam expansion by a convex lens

5. Beam expansion by a cylindrical lens

6. Beam splitting by a beam splitter

7. Light reflection at a boundary of two media

8. Real image formed by convergent rays

9. Virtual image formed by divergent rays

10. Beam deflection by plane mirror

11. Imaging properties of a double mirror

12. Diffuse reflection of light

13. Law of light refraction

14. Total internal reflection of light

15. Applications of total internal reflection

16. Principle of periscope

17. Minimum deviation angle of prism

18. Displacement of rays through a parallel plate

19. Propagation of light through optical fiber

20. Convergence of light by concave mirror

21. Self-tracing of light by concave mirror

22. Imaging of concave mirror (object distance >2f')

23. Imaging of concave mirror (object distance f'~2f')

24. Imaging of concave mirror (object at focal plane)

 

25. Imaging of concave mirror (distance < f')

26. Divergence of light by convex mirror

27. Self-tracing of light by convex mirror

28. Imaging of convex mirror

29. Rays passing nodal point of convex lens

30. Demonstrating focal point in object space

31. Light focusing by a convex lens

32. Principle of camera

33. Reversed imaging of unit magnification

34. Principle of projector

35. Principle of collimator

36. Principle of magnifier

37. Imaging of convex lens

38. Imaging of convex lens

39. Imaging of convex lens

40. Imaging of convex lens

41. Imaging of convex lens

42. Divergence of light by concave lens

43. Imaging of prism

44. Principle of Galilean telescope

45. Imaging of Galilean telescope

46. Principle of nearsighted vision correction

47. Principle of farsighted vision correction



Part List

Description
Main unitIncluding diode laser, beam expander, beam splitter, whiteboard, dial disk, etc.
Accessories1. Right angle prism 2. Double plane mirror 
3. Equilateral prism 4. Semi-cylindrical lens 
5. Concave-convex cylindrical mirror6. Beam expander lens
7. Diffuse reflector8. Plastic optic fiber
9. Plane parallel plate10. Plane mirror
11. Bi-convex cylindrical lens 12. Plano-concave cylindrical lens
13. Galilean telescope14. Periscope
15. Plano-convex cylindrical lens

LEOK-7-4.jpg

Schematic of instrument

1. Laser, 2. Beam expander 3. Beam splitter assembly, 4. Whiteboard 5. Dial disk, 6. Battery box

20151013-145038243640.jpg Principle of vision correction

LEOK-7-1.jpgLEOK-7-2.jpg

Please see "Part List" for item descriptions

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