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It provides a complete set of optical and mechanical components as well as light sources. Almost all optics experiments required in general physics education (***** geometrical, physical, and modern optics) can be constructed in sequence using these components. Through selecting and assembling corresponding components into setups, students can enhance their experimental skills and problem solving ability. The instruction manual contains comprehensive materials including experiment setups, principles, procedures and required parts with photos.

LEOK*3 shows a total of *6 experiment examples which are grouped in six categories:
Lens Measurements: Understanding and verifying lens equation and optical rays transformation.
Optical Instruments: Understanding the working principle and operation method of common lab optical instruments.
Interference Phenomena: Understanding interference theory, observing various interference patterns generated by different sources, and grasping one precise measurement method based on optical interference. 
Diffraction Phenomena: Understanding diffraction effects, observing various diffraction patterns generated by different apertures. 
Analysis of Polarization: Understanding polarization and verifying types of polarized light.
Fourier Optics and Holography: Understanding principles of advanced optics and their applications

LEOK**2 kit will provide an overview of fiber optic technology and basic skills needed to work with fiber optics. It is made up of a number of laboratory experiments. The most commonly used optical elements and their parameter measurements are introduced in this kit, together with prime techniques, such as WDM and coupling. Student may master the characteristics of isolators, attenuators, optical switches, transmitters, amplifiers etc. Upon completing the experiments, one can gain a better understanding