Invention Grant
- Patent Title: Multi-dimensional optical tweezers calibration device and method based on electric field quantity calibration
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Application No.: US17695865Application Date: 2022-03-16
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Publication No.: US12131835B2Publication Date: 2024-10-29
- Inventor: Cuihong Li , Zhiming Chen , Yuanyuan Ma , Xiaowen Gao , Zhenhai Fu , Huizhu Hu
- Applicant: ZHEJIANG LAB , ZHEJIANG UNIVERSITY
- Applicant Address: CN Zhejiang
- Assignee: ZHEJIANG LAB,ZHEJIANG UNIVERSITY
- Current Assignee: ZHEJIANG LAB,ZHEJIANG UNIVERSITY
- Current Assignee Address: CN Hangzhou; CN Hangzhou
- Agency: W&G Law Group
- Priority: CN 2110453690.6 2021.04.26
- Main IPC: G21K1/00
- IPC: G21K1/00 ; G02B5/30 ; G02B27/28

Abstract:
Disclosed is a multi-dimensional optical tweezers calibration device based on electric field quantity calibration and a method thereof. The polarization-dependent characteristics of a tightly focused optical trap are utilized to realize triaxial electric field force calibration of particles through a one-dimensional electric field quantity calibration device. The method of the present application enables a particle electric field force calibration system to be compatible with particle delivery and particle detection systems; the device is simplified and calibration complexity is reduced.
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