The phrase "alternate light" is correct and usable in written English.
It can be used in contexts where you are referring to a different type or source of light, often in scientific or technical discussions.
Example: "The experiment required the use of alternate light sources to observe the effects on the samples."
Alternatives: "alternative light" or "different light".
Her intention was always to alternate light with shade, she said.
They appeared as alternate light and dark bands, with a lower crystal concentration in the dark bands.
Figure 5: (A) Monochromatic light incident on a pair of slits gives interference fringes (alternate light and dark bands) on a screen, (B) variation in the intensity of the light at the screen when both slits are open.
Here, we report a sensory system based on a photo-switchable D-π-A type diarylethene (SDE), which presents both wide detection range and high sensitivity under alternate light modulation.
Chesher et al. (1992) used acid fuchsin, Nile blue A, safranin bluish and Rit® fabric dye in combination with OMNIPRINTTM 1000 alternate light source to enhance the quality of cyanoacrylate developed prints on white polyethylene dinner plate.
They were housed 3 or 4 per cage, and fluorescent light was controlled to provide alternate light and dark cycles of 12 hours each.
We also cannot allow professional photographers (or guests more generally) to set up tripods/monopods or alternate lighting.
While he was writing The Glass Menagerie, Williams penned an alternate, lighter take on the third act - basically where the unicorn doesn't shatter into a million pieces and end all chance for happiness - called The Pretty Trap.
Male Sprague-Dawley rats weighing 280 320 g (Harlan, Indianapolis, IN) were kept under controlled conditions (22°C, relative humidity 40%60%%, 12-hour alternate light-dark cycles, food and water ad libitum).
Although sunlight is your best resource when the image comes up incorrectly understood, you may need to light your area with alternate lighting to help you out.
The water temperature in their hatcheries was alternately raised and lowered, which made the fish develop alternating light and dark bands of cartilage.
