- 聚光灯 jùguāngdēng spotlighta lamp equipped with a convex lens to concentrate light into a powerful beam, used primarily for stage lighting and indoor photography
- 聚光镜 jùguāngjìng condenser lensA lens, such as a convex lens, that gathers light into a concentrated beam.
- 聚光太阳能 jùguāngtàiyángnéng concentrating solar powerconcentrating solar power (CSP)
