Ms. Chong Zhao Profile

Chong Zhao

at Xijing Univ.

SPIE Involvement:

Author

Publications (2)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 12 March 2020 Paper

Application of plasma absorption method in transient radiation-induced loss analysis of optical fibers

Fuhua Liu, Yuanxia Gong, Ping Wang, Jin Zhang, Chong Zhao

Proceedings Volume 11436, 1143611 (2020) https://doi.org/10.1117/12.2556318

KEYWORDS: Optical fibers, Absorption, Plasma, Color centers, Gamma radiation

Read Abstract +

The radiation effect of gamma rays on optical fibers is introduced. The experiments of measuring the induced loss of optical fibers by steady-state and transient gamma rays are carried out. The electron density, collision frequency and plasma oscillation frequency of optical fibers under high dose rate pulsed gamma radiation are calculated. A transient radiation-induced loss model based on low temperature plasma absorption is proposed. The transient radiation-induced loss of optical fibers at 600-1600 nm is calculated and measured. The results show that: (1) At the wavelength of 1310 and 1550 nm, the results calculated on plasma absorption method and measured results of transient radiation-induced loss of optical fibers are in the same order of magnitude, and the experimental results verify the applicability of the plasma absorption model; (2) Plasma absorption and atomic defect absorption coexist when pulsed gamma rays act on optical fibers. The transient radiation-induced loss of optical fibers is the result of the interaction of two mechanisms; (3) In the range of 600-1600 nm, with the increase of detection wavelength, the radiation-induced loss of optical fibers is dominated by plasma absorption.

Proceedings Article | 20 December 2019 Paper

Experimental study on pulsed gamma-ray radiation-induced absorption in optical fibers

Fuhua Liu, Yuanxia Gong, Ping Wang, Chong Zhao, Jin Zhang

Proceedings Volume 11209, 112090Y (2019) https://doi.org/10.1117/12.2543060

KEYWORDS: Optical fibers, Gamma radiation, Absorption, Photons, Radiation effects, Signal attenuation

Read Abstract +

The general effect mechanism of pulsed gamma-ray on optical fibers is introduced. In order to measure pulsed gammaray radiation-induced loss, a transient experimental measurement system is developed. It employs pulsed diode lasers with five wavelengths as detecting carriers and high dose rate electron accelerator as irradiation source. The radiationinduced loss of pulsed gamma-ray on conventional single mode and multi-mode optical fibers are measured respectively. The experiment of two rare-earth-doped fibers spontaneous emission spectrum measurement system is established and the results of Er-doped and Yb-doped fibers are obtained also. Experimental results show that: (1) Radiation-induced loss is relevant to the fiber types. On the same experimental condition of pulsed gamma-ray radiation, the radiationinduced loss of multimode fibers is larger than single-mode fibers. (2) Radiation-induced loss will increase as the laser detecting wavelength shifts from near-infrared to visible regions of optical spectrum. (3) As the total dose increases, the spontaneous emission spectrum of the doped fibers decreases greatly, and the performance of the doped fiber will fail at a certain total dose.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

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

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years