The infrared radiation characteristics of oil storage tanks are an important basis for the detection and identification of oil tanks. The study of the infrared radiation characteristics of oil tanks is of great significance to the realization of infrared protection and stealth of oil tanks. This paper takes oil tanks as the research object, establishes a theoretical calculation model of the tank surface temperature field and a one-dimensional heat balance equation, and obtains the temperature distribution of the tank surface at various times. On this basis, the infrared radiation characteristics of the oil tank are further calculated, discussed and analyzed.
Due to the characteristics of easy processing, tunable energy band, and excellent nonlinear optical properties, various novel two-dimensional (2D) materials have been synthesized and employed in ultrafast fiber laser generation. In this work, we demonstrated a stable passively mode-locked operation based on MnPS3 nanosheets as saturable absorber (SA). It is worth mentioning that we have continuously measured the performances of the laser ring cavity for seven days and the results indicated that the mode-locked laser is stable and self-starting. Meanwhile, the maximum output power was 27 mW with the fundamental frequency repetition of 5.102 MHz. These results not only supply other choice of SAs in pulse generation, but also provide a guidance to extend other possible applications of MPT3 family for the nonlinear optics.
In the past decade, two-dimensional (2D) materials have attracted increasing attention due to their energy band structure, optical properties and excellent performance in ultrafast photonics and nonlinear optics. As a kind of new 2D ternary layered material, NiPS3 can exhibit more novel electrical, optical and magnetic properties compared with those unary and binary 2D layered materials because of higher chemical diversity and structural complexity. In this work, we demonstrated a passively Q-switched operation based on few-layer NiPS3 as a saturable absorber (SA) in an erbium-doped fiber (EDF) laser. And the Q-switched output was achieved when the pump power at 40~105 mW. To our best of knowledge, it is the first time to utilize the NiPS3 as a SA in pulse laser generation.
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.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
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.