Continuous-wave laser operation is demonstrated at room temperature with a new disordered Yb:CLNGG crystal.A maximum output power of 5.05 W is generated with 7.8 W of pump power absorbed in the crystal,resulting in an...Continuous-wave laser operation is demonstrated at room temperature with a new disordered Yb:CLNGG crystal.A maximum output power of 5.05 W is generated with 7.8 W of pump power absorbed in the crystal,resulting in an optical-to-optical efficiency of 65%,whereas the slope efficiency is determined to be 92%,approaching the limit imposed by the quantum defect in the laser emission process.展开更多
Integrating content and language in multilingual universities,edited by Slobodanka Dimova and Slobodanka Dimova was published in 2020.This collection provides a global perspective on integrating content and languages ...Integrating content and language in multilingual universities,edited by Slobodanka Dimova and Slobodanka Dimova was published in 2020.This collection provides a global perspective on integrating content and languages in multilingual higher education(HE)institutions.Covering discussions including student and teacher perceptions,teacher training,staff effectiveness,learning effectiveness,and program development,the volume tends to address how focused language instruction and assessment can be utilized as a foundation for disciplinary content learning,without specific consideration of the diverse contexts.The book review consists of four parts.A brief introduction of the book and its exceptional contribution to the ICL field is presented in the first part.The second part highlights the core ideas of each chapter while commenting on its implications.A summary and an analysis of the academic and practical value of the collection from various perspectives in the last part round out the review.This book review with its unique perspective makes an effective reference for anyone interested in the book.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No 60978023.
文摘Continuous-wave laser operation is demonstrated at room temperature with a new disordered Yb:CLNGG crystal.A maximum output power of 5.05 W is generated with 7.8 W of pump power absorbed in the crystal,resulting in an optical-to-optical efficiency of 65%,whereas the slope efficiency is determined to be 92%,approaching the limit imposed by the quantum defect in the laser emission process.
文摘Integrating content and language in multilingual universities,edited by Slobodanka Dimova and Slobodanka Dimova was published in 2020.This collection provides a global perspective on integrating content and languages in multilingual higher education(HE)institutions.Covering discussions including student and teacher perceptions,teacher training,staff effectiveness,learning effectiveness,and program development,the volume tends to address how focused language instruction and assessment can be utilized as a foundation for disciplinary content learning,without specific consideration of the diverse contexts.The book review consists of four parts.A brief introduction of the book and its exceptional contribution to the ICL field is presented in the first part.The second part highlights the core ideas of each chapter while commenting on its implications.A summary and an analysis of the academic and practical value of the collection from various perspectives in the last part round out the review.This book review with its unique perspective makes an effective reference for anyone interested in the book.
