LEOK-1 Optics Experiment Kit is developed for general physics education in universities and colleges, consisting of a complete set of components and light sources. Eight experiment examples are presented ranging from geometrical optics to modern optics.
The Holography and Interferometry Kit is developed for general physics education in universities and colleges. It provides a complete set of optical and mechanical components as well as light sources for the construction of five typical interferometric and holographic setups.
LEOK-3 Optics Experiment Kit is developed for general physics education in universities and colleges. It provides a complete set of optical and mechanical components as well as light sources. Twenty-six experiment examples are presented ranging from geometrical optics to modern optics.
LEOK-4 Optics Experiment Kit is developed for general physics education in universities and colleges. It provides a complete set of optical and mechanical components as well as light sources. Nine experiment examples are provided.
Students will be familiar with various aberrations of an optical imaging system and will enhance their knowledge of Fourier optics and spatial filtering through seven experiments of this kit.
LEOK-6 is an extension of LEOK-1 to include more experiments, especially on the topic of optical polarization. It can be used to construct more than one dozen of experiments, covering the basic experiments in geometrical optics, physical optics and information optics.
LEOK-7 provides a complete set of optical and mechanical components as well as light sources. Numerous geometric- and physical-optics experiments can be demonstrated.
The LEOK-8 Optics Experiment Kit is developed for general optics education at affordable cost. It can be used to demonstrate eight experiments, covering interference, diffraction and polarization.
LEOK-9 is a comprehensive kit including a series of experiments in optical interference, diffraction and polarization. It is developed for general physics education at colleges and universities. It provides a complete set of optical and mechanical components.
This kit is designed to generate reflective and transmissive holograms on photopolymer plates under ordinary room-light. The recorded reflective hologram can be reconstructed with white light. This system is suitable for experimental education at universities and colleges.
Based on LEOK-10, LEOK-11 is a complete model that adds conventional silver salt holographic plates with related accessories. More experiments can be conducted in a darkroom with a tri-color safety lamp for transmissive and reflective hologram recording.
LEOK-15 can be used for the demonstration of various optical diffraction and interference phenomena. With the assistance of proper sensor and program, parameters such as light wavelength, slit width, and wire diameter can also be measured.
Using this apparatus, observation of equal-thickness interference and calculation of surface curvature by measuring the separations of the interference fringes of Newton's rings can be performed.
This apparatus uses an area CCD camera with a microscopic lens to acquire the Newton's ring pattern. The acquired pattern can be measured directly using a keypad controlled cursor on the LCD monitor.
LEOK-40 is a comprehensive modern optics experiment kit. It covers applied optics, information optics, physical optics and holography, etc.
LEOK-42 is designed to help students understand the working principle of a Fourier 4f optical system, and conduct experiments on image addition and subtraction operation.
This experiment kit involves spatial frequency spectrum, optical Fourier transform, and holography. It can help students enhance their experimental skills in modern optics.
Employing a sine grating as the spatial light filter for optical image addition and subtraction, this kit helps students understand the principles of optical image addition/subtraction, Fourier spatial light filtering, and 4f optical systems.
Through the spatial differentiation of an optical image, the image contour can be outlined with an enhanced contrast. This kit helps students understand the principles of optical image differentiation, Fourier spatial light filtering, and 4f optical systems.
According to the convolution theorem, the Fourier transform of the product of two functions equals the convolution of the two individual Fourier transforms of the two functions. This kit is designed to demonstrate the convolution theorem by optical means.
Using an electronically addressable liquid-crystal (LC) spatial-light-modulator (SLM), this kit is designed to perform digital holography and light modulation.
Hologram is recorded and developed under room light using a photopolymer plate. Image is reconstructed with white-light. Experiments include Fresnel (transmissive) holography, reflective holography, image plane holography, two-step and one-step rainbow holography, etc.
This apparatus uses a diffraction grating to disperse the collimated beam of a Hydrogen-Deuterium lamp and a goniometer stage to measure the diffraction angles of the Balmer series. The wavelengths of the Balmer series and the Rydberg constant can be determined.
This experimental system includes Fabry-Perot interferometer and Sodium lamp for observing multiple-beam interference and measuring wavelength difference of dual D-lines. Fabry-Perot interferometer is also a powerful tool for resolving the fine structure of the spectral lines of various substances.
The Michelson interferometer is mainly used to observe two-beam interference of light, measure the wavelength of monochromatic light, or determine the coherent length of a light source or a filter. With the aid of a Fabry-Perot accessory, it can also be used to observe multiple-beam interference.
This experimental system combines the Michelson and Fabry-Perot interferometers in one unit, and comes with light sources, it can conduct experiments relevant to both individual interferometers.
This experimental system combines the Michelson, Fabry-Perot and Twyman-Green interferometers in one unit, and comes with light sources. It is convenient to switch operation modes for conducting various experiments relevant to the three interferometers.
This experimental system is designed to measure the speed of light in air/media using the phase method. By measuring the corresponding phase delay of a mixed optical signal at various locations, the speed of light can be precisely determined.
This experimental system is designed to quantitatively investigate diffraction patterns of various apertures. It can help students understand the wave nature of light.
This experimental system is designed to quantitatively investigate diffraction patterns of various apertures. There are three options of the photo-receiving device, i.e. a photo-cell with amplifier for manual data recording, or a linear CCD for oscilloscope display and data analysis, or a linear CCD plus a data acquisition box with software for PC use via USB.
This system is designed to observe single-wire/single-slit diffraction, measure intensity distribution of diffraction, verify the relationships between intensity and wavelength/slit width, and acknowledge Heisenberg uncertainty and Babinet's principles.
LEOI-40 is developed to help students understand the concept and mechanism of polarization. It allows students to measure different types of polarization and the working parameters of selected optical elements.
This unit is designed to characterize the optical activity of an optically active material, and measure the relationship between specific rotation and concentration of glucose solutions.
LEOI-42 is developed to conduct serial experiments on polarized light. It combines functions of LEOI-40 and LEOI-41.
This is a manually experimental demonstrator of Ellipsometry. Optical parameters such as the thickness and refractive index of a thin film can be calculated by analyzing the change in polarization of an optical beam reflected from the film under test.
This system is designed to automatically record the radiation spectrum of an emission light source. By varying the color temperature of the light source, the phenomenon described by Wien's displacement law can be observed through the recorded radiation spectrum of the light source.
This intermediate spectrometer goniometer is used for spectral & angle measurement in optical experiments for the verification of reflection, refraction, diffraction, interference & polarization principles.