Movement of a millimeter-sized oil drop pushed by optical force

• 作者: 佘卫龙 张莉
• 来源期刊: 中国物理B（英文版）
• 关键词: optical force optical manipulation the movement of a millimeter-size
• 年，卷（期）: 2015,（10）
• 页码范围: 104207-1-104207-4
• 页数: 1页
• 语种: 英文
• DOI: 10.1088/1674-1056/24/10/104207

摘要

We show experimentally that when an unfocused continuous wave (CW) laser beam is obliquely incident onto the surface of a millimeter-sized mineral oil drop on sucrose solution, it will exert a pushing force on the oil drop, making it move forwards along the surface of the sucrose solution. However, after a period of time, the oil drop stops moving. This can be explained as the phenomenon caused by the change of Abraham momentum, the optical gradient force, and friction together.