The phrase "a reflector on" is correct and usable in written English.
It can be used when referring to a device or object that reflects light or sound, often in a specific context such as safety or signaling.
Example: "The car was equipped with a reflector on the back to enhance visibility at night."
Alternatives: "a reflector attached to" or "a reflector mounted on".
Likewise, putting a reflector on the back of the solar cell also allows more light to be harvested.
I took advantage of the hall lights on a timer, I just had a fill light and a reflector on the floor and I positioned the actors so that they were illuminated by the hall lights.
The project, which appeared on Eurekalert, involves placing a reflector on and around a Wi-Fi router's antennae to shape the beam, increasing range and preventing it from passing through to unwanted spaces.
The direct nucleation on TiN is advantageous for our device design, as TiN is shown to be capable of simultaneous transparency and conductivity [29] while also improving the quality of GaN grown on top of it [30] and acting as a reflector on longer wavelength [31].
Each time I move, a small reflector on a makeshift tiara resting on my forehead alerts an infrared tracking device pointing down at me from above a computer monitor.
Zhong, P. "Evaluation of a Bifocal Reflector on a Clinical Lithotripter: Editorial Comment". Journal of Endourology 18, no. 1 (February 1 , 2004: 15-16.
Previously, to lift an object, scientists had to put banks of speakers on opposite sides of it, or a bank on one side and a sound reflector on the other.
The results show that the focusing ability of such a reflector is on par with a PEC reflector in the range of the frequency and the graphene parameters where the surface impedance of the latter is small.
And then there's the man in a Fedora hat, heavy coat and gloves, sunning himself with a reflector board on his chest.
This paper presents the analysis of a concentrator based on an optically transparent planar waveguide with a diffused reflector on the rear surface and PV devices placed at the edge of the waveguide.
In a news release the museum said a 150,000-square-foot space, at National Harbor in Prince Georges County, Md., would offer several environmentally friendly features, including a wind turbine that will supply the building with energy, a sun reflector on the roof to reduce the use of artificial light, and a roof system that will absorb rainwater and improve insulation.
