[1] Y. Yeong, J. K. Sahu, D. N. Payne and J. Nilsson, Opt. Exp. 12, 6088 (2004).
[2] Ruan Shuang-chen, Yang Bing, Zhu Chun-yan, Lin Hao-jia and Yao Jian-quan, Acta Photonica Sinica 33, 15 (2004). (in Chinese)
[3] Christopher D. Brooks and Fabio Di Teodoro, Appl. Phys. Lett. 89, 111 (2006).
[4] J. Limpert, T. Schreiber, S. Nolte, H. Zellmer, T. Tunnermann, R. Iliew, F. Lederer, J. Broeng, G. Vienne, A. Petersson and C. Jakobsen, Opt. Exp. 11, 818 (2003).
[5] J. Limpert, N. Deguil-Robin, F. Salin, F. R ser, A. Liem, T. Schreiber, S. Nolte, H. Zellmer, A. Tünnermann, J. Broeng, A. Petersson and C. Jakobsen, Opt. Exp. 13, 1055 (2005).
[6] Jiang Yuanyan, Wei Yangtao, Deng Guoliang, Hu Tao and Feng Guoying, Optoelectronics Letters 6, 328 (2010).
[7] Chen Wei, Li Shiyu, Wang Dongxiang, Luo Wenyong, Huang Wenjun and Ke Yili, Journal of Optoelectronics Laser 21, 1449 (2010). (in Chinese)
[8] Laurent Michaille, David M. Taylor, Charlotte R. Bennett, Terence J. Shepherd and Benjamin G. Ward, Optics Letters 33, 71 (2008).
[9] Michaille L., Bennett C.R., Taylor D.M. and Shepherd T.J., Selected Topics in Quantum Electronics 15, 328 (2009).
[10] Xiaohui Fang, Minglie Hu, Chen Xie, Youjian Song, Lu Chai and Chingyue Wang, Optics Letters 36, 1005 (2011).
[11] Y. Wang, IEEE Photon. Tech. Lett. 16, 63 (2004).
[12] L. Li, H. Li, T. Qiu, V. L. Temyanko, M. M. Morrell, A. Schülzgen, A. Mafi, J. V. Moloney and N. Peyghambarian, Opt. Exp. 13, 3420 (2005).
[13] J. Limpert, T. Schreibei, A. Liem, S. Nolte, H. Zellmer, T. Peschel, V. Guyenot and A. Tünnermann, Opt. Exp. 11, 2982 (2003).
[14] P Elahi, H Nadgaran and F Kalantarifard, Pramana 68, 529 (2007).
[15] Chen Shuang and Feng Ying, Acta Photonica Sinica 37, 1134 (2008). (in Chinese)
[16] Han Xiao-ming, Yang De-xing, Zhao Jian-lin, Hou Jian-ping, Duan Kai-liang and Wang Yi-shan, Chinese Journal of Lasers 36, 2822 (2009). (in Chinese)
[17] Jianfeng Li, Kailiang Duan, Zhiyong Dai, Zhonghua Ou, Yong Liu and Yongzhi Liu, Optik 121, 1243 (2010).
[18] W. M. Rohsenow, J. P. Hartnett and Y. I. Cho, Handbook of Heat Transfer, New York: McGraw-Hill Companies, 78 (1998).
