Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves (Product Code: SCL-203/050) is a microwave optics set used to show that microwaves reflect, refract, polarize and diffract like light, in college and senior school physics labs. Its Gunn diode transmitter works at 10.7 GHz (λ = 2.8 cm) and is paired with a matching receiver, a probe detector, aluminium mirrors and a polarizing mesh. The set is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
| Parameter | Detail |
|---|---|
| Transmitter | Gunn diode, 10.7 GHz (λ = 2.8 cm) |
| Operating voltage (as listed) | (10–12) V to (2–3.5) V |
| Transmitter housing | Cylindrical case, diameter 83 mm, length 70 mm; overall length 225 mm |
| Receiver | Similar in construction to the transmitter |
| Probe detector | Silicon microwave diode, same as the receiver, mounted on a short vertical non-metallic rod |
| Probe base | 4 sockets for connection to the external circuit; 75 x 50 x 135 mm |
| Aluminium mirrors | 200 x 300 mm; 50 x 300 mm; 300 x 300 mm |
| Acrylic mirror | 300 x 300 mm |
| Polarizing mesh | 190 x 300 mm |
| Electrical accessories | Power source, diode, speaker, digital multimeter, BNC T cable and BNC cable |
| Product code | SCL-203/050 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Because the wavelength is 2.8 cm rather than a fraction of a micrometre, wave effects that are hard to see with light become easy to measure. Aiming the transmitter at an aluminium mirror and finding the receiver angle of strongest signal confirms the law of reflection. Rotating the polarizing mesh between transmitter and receiver makes the signal rise and fall, showing that the transmitted microwaves are polarized, and the narrow 50 x 300 mm plate can be combined with the wider plates to form slits for diffraction and interference work.
Placing a mirror behind the probe detector sets up standing waves: moving the probe along the beam and reading the digital multimeter reveals nodes half a wavelength apart, from which the wavelength can be checked. This makes the set valuable physics lab equipment for wave-optics practicals. Avoid looking into the transmitter at close range and switch it off when rearranging parts.
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, the OEM (original equipment manufacturer) of this microwave demonstration apparatus. The transmitter, receiver, probe and mirror set are assembled at the company’s own licensed factory at Saha, Ambala, Haryana, India, and complete sets ship factory-direct to colleges, schools, institutions, dealers and importers.
Purchasing from the maker means that later needs, from a replacement cable to a matching repeat order, are handled by the team that assembled the set — ask us. Find out more on the ScienceLab profile.
Accessories and alternatives for microwave optics:
Browse the Laboratory Equipment category for more.
What is included with the Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves?
This microwave apparatus (SCL-203/050) includes a Gunn diode transmitter, a receiver, a probe detector with a four-socket base, a power source, a diode, a speaker, three aluminium mirrors, an acrylic mirror, a polarizing mesh, a digital multimeter, a BNC T cable and a BNC cable.
What frequency and wavelength does the microwave apparatus use?
The Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves uses a Gunn diode transmitter operating at 10.7 GHz, which corresponds to a wavelength of 2.8 cm. This centimetre-scale wavelength makes interference and standing-wave spacings easy to measure.
How is polarization demonstrated?
With the microwave apparatus SCL-203/050, the 190 x 300 mm polarizing mesh is placed between transmitter and receiver and rotated. The received signal changes strongly with the mesh angle, showing that the transmitted microwaves are polarized, just as a polarizing filter affects light.
Is a refraction prism or lens included?
The contents list of the Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves does not itemise a prism or lens. For refraction experiments, tell us your requirement when enquiring, and consider the hollow prism or plano-convex lens accessories shown in the related items.
Who manufactures the microwave demonstration apparatus?
The Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves, code SCL-203/050, is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM, and assembled at its own licensed factory at Saha, Ambala, Haryana, India.
Is a calibration certificate available for the multimeter?
Calibration-certificate availability for the digital multimeter supplied with the microwave apparatus SCL-203/050 should be discussed with us before ordering. State the requirement on the contact page so that it can be addressed in your quotation.
For a quotation on the Apparatus for Demonstrating Reflection, Refraction, Polarization and Diffraction Using Microwaves (SCL-203/050), write to us via the contact page or add it to the enquiry cart. The quotation comes direct from the manufacturer.
Last updated: 24 September 2026