An excellent method of visibly showing light optics in secondary schools, colleges and universities, these laser products provide a clear and quick understanding of light transmission, reflection, refraction, diffraction and interference.
Unlike the traditional light boxes, they can be used in normal light conditions. They are safe to use, being a Class II laser of only 1mW and CE marked.
The Ray Optics Demonstration Set (RODS) consists of 14 different optical elements, which can be placed upon 6 example sheets on a magnet board and stand, to demonstrate the functioning of the eye and corrective eyeglasses, telescopes, cameras, etc.
A manual or electronically controlled laser ray box, comprising of 5 lasers, is then placed upon the board and switched between 4 different ray combinations.
An additional 15 optical elements (RODS PLUS) can be purchased to extend the use of the RODS for demonstration of negative refraction effect on both converging and diverging lenses (such as air lenses and prisms, periscopes, etc.)
Instruction manuals and video guides with tutorials of the experiments on CD are supplied with each set.
New for students to use on the table top is the Ray Optics Student Set (ROSS). This contains 11 optical models (8 different lenses), 3 different types of mirrors, an optical fibre model, 3-beam Laser Ray Box and 5 working sheets for exercises.
Demonstration of the principles of reflection and refraction only can be achieved using the Hartl Optical Disc Set (HODS). This comprises of a metal base with circular turntable showing a 360ยบ angular scale, semi-circle optical element, and single laser line box.
The Laser Optical Set (LOS 1) with magnet table is designed for the education of wave optics. It comprises of a laser, mirrors, semi-transparent mirror, polarising filter, ground screen, set of diffraction and interference structures and hologram to demonstrate light diffraction, interference, reconstruction of holographic images and behaviour of linearly polarised light.
Instruction manuals and video guides with tutorials of the experiments on CD are supplied with each set.
Fresnel Mirrors Set is another useful tool for the demonstration of light interference patterns using a laser source and two planar mirrors.
All of the above laser products are of 635nm wavelength (red). To supplement these, green laser ray boxes and line boxes are now available of 532nm wavelength.
The human eye is three times more sensitive to this wavelength, so the green lasers are even more visible than the red lasers for experiments in ambient light conditions.
Demonstration of audio and video signal transmission by optical means is possible with the Laser Communication Kit (LASERCOM 2). It consists of a modulated laser diode device transmitter unit, laser receiver, microphone and loudspeaker. Colour camera and monitor is additionally required for video transmittance.
The Optical Fibre Demonstration Kit (OFDK) demonstrates the behaviour of light in fibre optics, information transmission and examples of fibre optic sensors. It comprises of a basic transmitter and receiver board, with possibility to connect several modules including analogue transmitter / receiver, digital transmitter / receiver, transmitter set with microphone, receiver set with amplifier and speaker, a frequency generator, RS232 signal converter receiver and transmitter. It also contains a special holder for fibre optics, universal AOV meter, equipment for Tyndall's light guiding experiment, force plates, bending cylinders, special emeries for fibre preparation, and fibres.
Instruction manuals and video guides with tutorials of the experiments on CD are supplied with each set.
A new product just developed for demonstration of colour mixing and spectra, is the SPECTRAL PLUS. It comprises of different light sources (LED's, incandescent bulb, fluorescent tube), colour filters, holographic grating and a spectroscope to observe different types of emission spectra.
