1. H. Huang, C. Shende, A. Sengupta, F. Inscore, C. Brouillette, W. Smith, S. Farquharson, Surface-enhanced Raman spectra of melamine and other chemicals using a 1550 nm (retina-safe) laser. J. Raman Spectrosc. 43, 701–705 (2012)
2. C.Y. Lu, X.B. Wang, Y.L. Guo, G.C. Wang, B. Sun, Y. Lin, Q. Wan, Principle and evolution of 1.5xμm wavelength eye-safe military laser rangefinder. Laser Optoelectron. Prog. 42, 32–35 (2005) [in Chinese]
3. M. Ebitani, T. Tominaga, A. Kishi, Infrared-to-visible converter. US Patent No.5438198 (1995)
4. K.A. Costello, Wavelength extension for backthinned silicon image arrays. US Patent No.6943425B2 (2005)
5. J. Creasey, J. De Mattos, G. Tyrrell, CCD camera having an anti-stokes phosphor bound thereto. US Patent No.7075576B2 (2006)