Operation principle and design of infrared laser wavemeter

Liqiang Wang; Aibin Zuo; Yuexiang Peng

doi:10.1117/12.693652

10 June 2006 Operation principle and design of infrared laser wavemeter

Liqiang Wang, Aibin Zuo, Yuexiang Peng

Proceedings Volume 6344, Advanced Laser Technologies 2005; 634422 (2006) https://doi.org/10.1117/12.693652
Event: Advanced Laser Technologies 2005, 2005, Tianjin, China

Abstract

The wavemeter can measure a wavelength of a tuned laser and an unknown laser. Due to the Doppler shift, the wavemeter operates and establishes coherent interference fringes on the detectors according to the Michelson interference principle. The movable reflector of the wavemeter is driven by a voice-coin motor. The closed-loop feedback design can ensure the movable reflector to move at a constant speed all the time. The electronic signals of both the reference laser and an unknown laser are multiplied in frequency by PLL (Phase-Locked Loop) unit so as to enhance the resolutions of the wavemeter. PLL unit consists of NE564 and 74LS193. Finally, the counter including a MCU (microcontroller unit), two 8254 programmable times, and a LCD calculates the wavelength of the unknown laser.

Citation Download Citation

Liqiang Wang, Aibin Zuo, and Yuexiang Peng "Operation principle and design of infrared laser wavemeter", Proc. SPIE 6344, Advanced Laser Technologies 2005, 634422 (10 June 2006); https://doi.org/10.1117/12.693652

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available