[1] SU D C,CHIU M H,CHEN C D. Simple two frequency laser[J]. Precis. Eng.,1996,18:161-163. [2] LI Y C,CHANG Y F,SU L C,et al.. Differential-phase surface plasmon resonance biosensor[J]. Anal. Chem.,2008,80:5590. [3] 冯其波.光学测量技术与应用[M].北京:清华大学出版社,2008. FENG Q B. Optical Measurement Techniques and Applications[M]. Beijing:Tsinghua University Press,2008.(in Chinese) [4] HUANG P S,NI J. Angle measurement based on the internal-reflection effect and the use of right-angle prisms[J]. Appl. Opt.,1995,34:4976-4981. [5] 陈泳屹,佟存柱,秦莉,等.表面等离子体激元纳米激光器技术及应用研究进展[J].中国光学,2012,5(5):453-463. CHEN Y Yi,TONG C ZH,QIN L,et al.. Progress in surface plasmon polariton nano-laser technologies and applications[J]. Chinese Optics,2012,5(5):453-463.(in Chinese) [6] 刘镜,刘娟,王涌天,等.亚波长金属光栅的表面等离子体激元共振特性[J].中国光学,2011,4(4):363-368. LIU J,LIU J,WANG Y T,et al.. Resonant properties of sub-wavelength metallic gratings[J]. Chinese Optics,2011,4(4):363-368.(in Chinese) [7] MOON E E,CHEN L,EVERETT P N,et al.. Nanometer gap measurement and verification via the chirped-Talbot effect[J]. Vac. Sci. Technol. B,2004,22:3378. [8] KOHNO T,OZAWA N,MIYAMOTO K,et al.. High precision optical surface sensor[J]. Appl. Opt.,1988,27:103-108. [9] HUANG P S,NI J. Angle measurement based on the internal-reflection effect using elongated critical-angle prisms[J]. Appl. Opt.,1996,35:2239-2241. [10] ZHOU W,CAI L. Interferometer for small-angle measurement based on total internal reflection[J]. Appl. Opt.,1998,37:5957-5963. [11] OZCAN M. High sensitivity displacement sensing with surface plasmon resonance[J]. SPIE,2005,5927:59271T. [12] LEFLOCH S,SALVAD Y,MITOUASSIWOU R,et al.. Radio frequency controlled synthetic wavelength sweep for absolute distance measurement by optical interferometry[J]. Appl. Opt.,2008,47:3027-3031. [13] SESKO D W,TOBIASON J D,FELDMAN M,et al.. A dynamically calibrated multi-wavelength absolute interfer-ometer[EB/OL].[2012-11-11].http://www.microen.com/news/odimap.pdf. [14] MAYER K M,HAO F,LEE S,et al. A single molecule immunoassay by localized surface plasmon resonance[J]. Nanotechnology,2010,21:255503. [15] 齐攀,李莹,冯明创,等.用于阵列样品检测的扫描式表面等离子体共振生物传感器[J].光学 精密工程,2012,20(11):2365-2372. QI P,LI Y,FENG M CH,et al.. Scanning surface plasmon resonance biosensor for array sample detection[J]. Opt. Precision Eng.,2012,20(11):2365-2372.(in Chinese) [16] 朱君,李志全.光栅耦合的可集成表面等离子体激射装置[J].光学 精密工程,2012,20(9):1899-1903. ZHU J,LI ZH Q. Integrated device of lasing SPPs with coupling grating[J]. Opt. Precision Eng.,2012,20(9):1899-1903.(in Chinese) [17] WU P T,WU M C,WU C M. A nanogap measuring method beyond optical diffraction limit[J]. Appl. Phys.,2007,102:123111. [18] WU P T,WU M C,WU C M. Measurement of the air gap width between double-deck metal layers based on surface plasmon resonance[J]. Appl. Phys.,2010,107:083111 [19] PILIARIK M,HOMOLA J. Self-referencing SPR imaging for most demanding high-throughput screening applications[J]. Sens. Actuators B,Chem.,2008,134(2):353-355. [20] WANG K,ZHENG Z,SU Y,et al.. Hybrid differential interrogation method for sensitive surface plasmon resonance measurement enabled by electro-optically tunable SPR sensors[J]. Opt. Express,2009,17(6):4468-4478. [21] YUAN S W,HO H P,WU S Y,et al.. Polarization-sensitive surface plasmon enhanced ellipsometry biosensor using the photoelastic modulation technique[J]. Sens. Actuators A:Phisical,2009,151:23-28. [22] KUO W K,CHANG CH H. Phase detection sensitivity enhancement of surface plasmon resonance sensor in a heterodyne interferometer system[J]. Appl. Opt.,2011,50:1345-1349.