Photorefractive crystals for efficient linear sensing of speckle-pattern displacements

Erik Raita; Alexei A. Kamshilin; Kimmo Paivasaari; Victor V. Prokofiev; Timo Jaeaeskelaeinen

doi:10.1117/12.373634

29 December 1999 Photorefractive crystals for efficient linear sensing of speckle-pattern displacements

Erik Raita, Alexei A. Kamshilin, Kimmo Paivasaari, Victor V. Prokofiev, Timo Jaeaeskelaeinen

Proceedings Volume 4016, Photonics, Devices, and Systems; (1999) https://doi.org/10.1117/12.373634
Event: Photonics Prague '99, 1999, Prague, Czech Republic

Abstract

Novel technique for the efficient remote sensing of speckle- pattern displacements is proposed. It is based on the polarization self-modulation effect recently discovered in photorefractive crystals. The technique provides linear responses on the amplitude of the lateral displacement and high sensitivity which is comparable with the interferometric one. Both sensitivity and dynamic range of measurements can be adjusted varying the average speckle size on the input face of crystal. The simple and inexpensive experimental set-up does not include any reference or read-out beam. Proposed technique can be applied for optical measurements of the transient motion of inspected surface such as object's vibration monitoring.

Citation Download Citation

Erik Raita, Alexei A. Kamshilin, Kimmo Paivasaari, Victor V. Prokofiev, and Timo Jaeaeskelaeinen "Photorefractive crystals for efficient linear sensing of speckle-pattern displacements", Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); https://doi.org/10.1117/12.373634

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