La, Thuy Linh and Tran, Quoc Tien and Tong, Quang Cong and Aliaksandr, Mikulich and Nguyen, Thi Yen Mai
(2020)
REALIZATION A FAST OPTICAL SHUTTER.
In: THE 11th INTERNATIONAL CONFERENCE ON PHOTONICS & APPLICATIONS (ICPA-11), 4-7 Nov 2020, Hoa Binh.
Abstract
The precision in time of light exposure requires the optical shutter in an optical
system to work with high-speed response and rapid change between close/open state,
however, a motor-driven system cannot attain perfect accuracy due to the system
response. This is the unsolvable problem that comes when designing an optical shutter;
and with different methods to approach the problem, many types of shutter with various
parameters have been built. The most popular optical shutters now in the market are made
by Thorlabs with acceptable responses to the controller but they are very expensive. In
this paper we have developed an optical shutter system using Arduino software and hard
disk drive base, which is superior to some characteristic of Thorlabs' shutter (e.g transfer
initialize, transfer open, minimum open pulse), but also much cheaper and can be widely
manufactured.
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