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	Impact of reduced anthropogenic emissions on chemical characteristics of urban aerosol by individual particle analysis 期刊论文 OAI收割 CHEMOSPHERE, 2022, 卷号: 303, 页码: 11 作者: Li, Li; Wang, Qiyuan; Zhang, Yong; Liu, Suixin; Zhang, Ting \| 收藏 \| 浏览/下载：77/0 \| 提交时间：2022/08/22 COVID-19 Secondary formation Chemical characteristics Mixing state Individual particles
	How do individual characteristics and social capital shape users' continuance intentions of smart wearable products? 期刊论文 OAI收割 TECHNOLOGY IN SOCIETY, 2022, 卷号: 68, 页码: 11 作者: Wang, Nan; Xie, Wenxuan; Ali, Ahsan \| 收藏 \| 浏览/下载：20/0 \| 提交时间：2022/04/02 Individual characteristics Social capital Perceived value Continuance intention Means-end chain theory
	High-power InGaAs/GaAs VCSEL's two-dimension arrays (EI CONFERENCE) 会议论文 OAI收割 ICO20: Lasers and Laser Technologies, August 21, 2005 - August 26, 2005, Changchun, China 作者: Liu Y.; Wang L.-J.; Wang L.-J.; Liu Y.; Liu Y. 收藏 \| 浏览/下载：26/0 \| 提交时间：2013/03/25 Selectively oxidized InGaAs/GaAs vertical -cavity surface-emitting lasers (VCSEL) array at an emission wavelength of 980nm was reported. A 16 elements array with 200m aperture size (250m center spacing) of individual elements shows a CW output power of 1.21 W at room temperature resulting in 1 KW/cm2 average optical power density. The device threshold current is 1.32A The lasing peak wavelength is 981.9 nm the full width at half-maximum is 0.7 nm and the far-field divergence angle is about 17.The characteristics of a single device with a active region diameter of 800m is compared with that of a 2-D array with active region diameter of individual clement of 200m. These two kinds of devices have the same total lasing area. At the same current injection the single device has a higher threshold and a higher output power than the array. The red shift of single device is more obvious than that of the array's.
	High-power VCSELs single devices aid 2-D arrays (EI CONFERENCE) 会议论文 OAI收割 ICO20: Lasers and Laser Technologies, August 21, 2005 - August 26, 2005, Changchun, China 作者: 收藏 \| 浏览/下载：14/0 \| 提交时间：2013/03/25 The high power bottom-emitting vertical-cavity surface-emitting lasers (VCSELs) and laser arrays emitting at 980 nm are reported. Extensive investigations on size scaling behavior of thermal properties of single devices show limits of attainable output characteristics. The maximum continuous wave (CW) output power at room temperature of single devices with aperture size up to 500 m is as high as 1.95 W. The key characteristics such as maximum output power wavelength and thermal resistance are discussed. The bottom-emitting arrays of 16 elements and 200 m aperture size of individual elements show output power of CW 1.35 W at room temperature. The far-field angle is below 17 for all driving current which is very favorable for focusing or collmating optics.