2005

2004

2003

2002

2001

2000

* Corresponding author

 2006

1. M. He, X.-C. Yuan*, J. Bu and B. H. Ong, “Improved silica-zirconia sol synthesis for fabrication of single mode embedded dielectric channel waveguide with low transmission losses”, Applied Optics, in press.

2. X.-C. Yuan*, B. H. Ong, Y. G. Tan, D. W. Zhang, R. Irawan and S. C. Tjin, “Sensitivity-stability-optimized surface plasmon resonance sensing with double metal layers”, Journal of Optics A, in press.

3. Y. Y. Sun and L. S. Ong, X.-C. Yuan*, “Composite-microlens-array-enabled microfluidic sorting”, Applied Physics Letters, in press.

4. B. H. Ong, X.-C. Yuan* and S. C. Tjin, “Adjustable refractive index modulation for waveguide in SU-8 photoresist by dual-UV exposure lithography”, Applied Optics, in press. 

5. S. H. Tao, X.-C. Yuan*, J.  Lin, and Y. Y. Sun, “Influence of geometric shape of optically trapped particles on the optical rotation induced by vortex beams”, Journal of Applied Physics, in press. 

6. S. H. Tao, X.-C. Yuan*, J. Lin, R. E. Burge, “Sequence of focused optical vortices generated by a spiral fractal zone plate”, Applied Physics Letters, vol. 89, 031105, (2006). 

7. Miao He, Jing Bu, Biow Hiem Ong and Xiaocong Yuan*, “Two-microlens coupling scheme with revolved-hyperboloid solgel microlens arrays for high-power-efficiency optical coupling”, Journal of Lightwave Technology, vol. 24, p. 2940-2945, (2006).

8. B. P. S. Ahluwalia, X.-C. Yuan*, S. H. Tao, W.C. Cheong, L.S. Zhang and H. Wang, “Micro-manipulation of high and low indices microparticles using a microfabricated double-axicon”, Journal of Applied Physics, vol. 99, p. 113104, (2006).

9.  J. Lin, X.-C. Yuan*, S. H. Tao and R. E. Burge, “Radius-variable focused optical vortex with suppressed side lobes”, Optics Letters, vol. 31, p. 1600-1602, (2006).

10. Biow Hiem Ong, Xiaocong Yuan*, Shaohua Tao and Swee Chuan Tjin, “Photo-thermo-process-enabled lithography for refractive index modulation in SU-8 photoresist”, Optics Letters, vol. 31, p. 1367-1369, (2006).

11. J. Lin, X.-C. Yuan*, S. H. Tao and R. E. Burge, “Synthesis of multiple collinear helical modes generated by a phase-only element”, J. Opt. Soc. Am., A,, vol. 23, p. 1214-1218, (2006).

12. B. P. S. Ahluwalia, W. C. Cheong, X.-C. Yuan*, L.-S. Zhang, S.-H. Tao, J. Bu, H. Wang, “Design and fabrication of double-axicon for the generation of tailorable self-imaged three-dimensional intensity voids”, Optics Letters, vol. 31, p. 987-989, (2006).

13. K. J. Moh, X.-C. Yuan*, W. C. Cheong, L.S. Zhang, J.Lin, B. P .S. Ahluwalia and H. Wang, “High power efficient multiple optical vortices in a single beam generated by a kinoform type spiral phase plate”, Applied Optics,  vol. 45, p.1153-1161, (2006).

14. Biow Hiem Ong, Xiaocong Yuan*, Swee Chuan Tjin, Jingwen Zhang and Hui Min Ng, “Optimised film thickness for maximum evanescent field enhancement of a bimetallic film surface plasmon resonance biosensor”, Sensors & Actuators: B. , vol. 114, p. 1028-1034, (2006).

15. K. J. Moh, X.-C. Yuan*, D. Y. Tang, W. C. Cheong,  L. S. Zhang, D. K. Y. Low, X. Peng, H. B. Niu and Z. Y. Lin, “Generation of femtosecond optical vortices using a single refractive optical element”, Applied Physics Letters,  vol. 88, p. 091103, (2006).

16. S. H. Tao, X.-C. Yuan*, J.  Lin, and R. E. Burge, “Residue orbital angular momentum in interferenced double vortex beams with unequal topological charges”, Optics Express,  vol. 14, p.535-541, (2006). 

2005

1. J. Lin, X.-C. Yuan*, S. H. Tao and R. E. Burge, “Collinear superposition of multiple helical beams generated by a single azimuthally modulated phase-only element”, Optics Letters,  vol. 30. p. 3266-3268, (2005). 

2. B. P. S. Ahluwalia, X.-C. Yuan*, S. H. Tao, J. Bu, H. Wang, X. Peng and H. B. Niu, “Microfabricated-composite-hologram-enabled multiple channel longitudinal optical guiding of microparticles in nondiffracting core of a Bessel beam array”, Applied Physics Letters,  vol. 87, p. 084104, (2005).

3. M. He, J. Bu, X.-C. Yuan*, H. B. Niu, and X. Peng, “Self-processing sol-gel material for one-step fabrication of sub-micron period sinusoidal phase gratings using the Lloyd’s mirror scheme”, Optics Letters,  vol. 30, p. 2772-2774, (2005). 

4. L Y Mario, X C Yuan, M K Chin, “Reversal of interference in left handed medium”, Journal of  Nonlinear Optical Physics & Materials,  vol. 14, p. 245-257, (2005). 

5. S. H. Tao, X.-C. Yuan*, J. Lin, X. Peng and H. B. Niu, “Fractional optical vortex beam induced rotation of particles”, Optics Express,  vol. 13, p. 7726-7731, (2005).

6. K.J. Moh, Y.Y. Tan and X.-C. Yuan*, D.K.Y. Low, Z.L. Li, “Influence of diffraction by a rectangular aperture on the aspect ratio of femtosecond direct-write waveguides”, Optics Express,  vol. 13, p. 7288-7297, (2005).

7. W. C. Cheong, B. P. S. Ahluwalia, X.-C. Yuan* and L.-S. Zhang, H. Wang, H. B. Niu and X. Peng, “Fabrication of efficient micro-axicon by direct electron beam lithography for long non-diffracting distance of Bessel beams for optical manipulation”, Applied Physics Letters,  vol. 87, p. 024104, (2005).

8. J. Lin, X.-C. Yuan*, S. H. Tao, X. Peng and H. B. Niu, “A deterministic approach to generation of modified helical beams for optical manipulation”, Optics Express,  vol. 13, p. 3862-3867, (2005).

9. K.J. Moh, W. M. Lee, W. C. Cheong, and X.-C. Yuan*, “Multiple optical line traps using a single phase-only rectangular ridge”, Applied Physics B - Lasers and Optics,  vol. 80, p. 973-976, (2005).

10. S. H. Tao, X.-C. Yuan*, H. B. Niu and X. Peng, “Dynamic optical manipulation using intensity patterns directly projected by a reflective spatial light modulator”, Review of Scientific Instruments,  vol. 76, p. 056103, (2005).

11. Miao He, Xiaocong Yuan*, Jing Bu and Chee Wee Tan, “A high-corrugation-rate self-processing SiO₂/ZrO₂ hybrid sol-gel material for fabrication of microlens array”, IEEE - Photonics Technology Letters,  vol. 17, p. 1223-1225, (2005).

12. Miao He, Xiaocong Yuan*, Jing Bu and Wai Chye Cheong, “Hybrid sample-inverted reflow and soft-lithography technique for fabrication of conicoid microlens array”, Applied Optics,  vol. 44, p. 4130-4135, (2005).

13. Miao He, Xiaocong Yuan*, Jing Bu, Wai Chye Cheong and Ken Jin Moh, “Reflowed solgel spherical microlens for high efficiency optical coupling between a laser diode and a single mode fibre”, Applied Optics,  vol. 44, p. 1469-1473, (2005).

14. X.-C. Yuan*, W. X. Yu, M. He, J. Bu, W. C. Cheong, H. B. Niu and X. Peng, “Soft-lithography-enabled fabrication of large numerical aperture refractive microlens array in hybrid SiO2/TiO2 sol-gel glass”, Applied Physics Letters,  vol. 86, 114102, (2005).

15. S. H. Tao, X.-C. Yuan*, and B. S. Ahluwalia, “Generation of an array of nondiffracting beams by a single composite computer generated hologram”, Journal of Optics A,  vol. 7, p. 40-46, (2005).

16. B.P.S.Ahluwalia, X.-C. Yuan* and S. H. Tao, “E volution of composite off-axis vortexes embedded in the propagation-invariant beams”, Optics Communications,  vol. 247, p. 1-9, (2005).

17. W.M. Lee, B.P.S.Ahluwalia, X.-C. Yuan*, W.C. Cheong and K. Dholakia, “Optical steering of high and low index microparticles by manipulating an off-axis optical vortex”, Journal of Optics A,  vol. 7, p. 1-6, (2005).

2004

1. W. C. Cheong, W. M. Lee, X.-C. Yuan*, L.-S. Zhang, H. Wang and K. Dholakia,, “Direct electron beam writing of continuous spiral phase plates in SU-8 with high power efficiency for optical manipulation”, Applied Physics Letters,  vol. 85, p. 5784-5786, (2004).

2. X.-C. Yuan*, S. H. Tao, W. C. Cheong, Y. W. Chen, M. S. Lim, K. J. Moh and A.T.S. Ho, “Hybrid encryption and decryption technique using microfabricated diffractive optical elements”, Optical Engineering,  vol. 43, p. 2493-2494, (2004).

3. M. He, X.-C. Yuan*, K. J. Moh, J. Bu and X. J. Yi, “Monolithically integrated refractive microlens array to improve imaging quality of an infrared focal plane array”, Optical Engineering,  vol. 43, p. 2589-2594, (2004).

4. B.P.S.Ahluwalia, X.-C. Yuan* and S. H. Tao, “Transfer of ‘pure’ on-axis spin angular momentum to an absorptive particle using self-imaged bottle beam optical tweezers system”, Optics Express,  vol. 12, p. 5172 – 5177, (2004).

5. Miao He, Xiaocong Yuan* and Jing Bu, “A novel sample-inverted reflow technique for fabrication of re volved-hyperboloid microlens array in hybrid sol-gel glass”, Optics Letters,  vol. 29, p. 2004-2006, (2004).

6. W.M. Lee, X.-C. Yuan* and K.Dholakia, “Experimental observation of optical vortex e volution in a Gaussian beam with an embedded fractional phase step”, Optics Communications,  vol. 239, p. 129-135, (2004).

7. B.P.S.Ahluwalia, X.-C.Yuan* and S. H. Tao, “Generation of self-imaged optical bottle beams”, Optics Communications,  vol. 238, p. 177-184, (2004).

8. W. M. Lee, X.-C. Yuan* and W. C. Cheong, “Optical vortex beam-shaping using high-efficient irregular spiral phase plates for optical manipulation”, Optics Letters,  vol. 29, p. 1796-1798, (2004).

9. S. H. Tao and X.-C. Yuan*, “Study of the self-reconstruction property of fractional Bessel beams”, J. Opt. Soc. Am. A,  vol. 21, p. 1192-1197, (2004).

10. Shaohua Tao and Xiaocong Yuan*, “A practical implementation of phase quantization technique in the iterative Fourier transform algorithm”, Applied Optics,  vol. 43, p. 2089-2092, (2004).

11. Weixing Yu and X.-C. Yuan*, “Localized self- volume growth in hybrid sol-gel glass induced by UV radiation with a grey scale mask”, Applied Optics,  vol. 43, p. 575-578, (2004).

12. Shaohua Tao, Woei Ming Lee, Xiaocong Yuan*, “Experimental study of holographic generation of fractional Bessel beams”, Applied Optics,  vol. 43, p. 122-126, (2004).

13. Dianwen Zhang, X.-C. Yuan*, S. C. Tjin and S. Krishnan, “Rigorous time domain simulation of momentum transfer between light and microscopic particles in optical trapping”, Optics Express,  vol. 12, p. 2220 – 2230, (2004).

14. Weixing Yu and X.-C. Yuan*, “Patternable hybrid sol-gel material cuts cost of fabrication of microoptical elements for photonics applications”, Journal of Materials Chemistry,  vol. 14, p. 821-823, (2004).

15. M. He, X.-C. Yuan*, J. Bu and W. C. Cheong, “Fabrication of concave refractive microlens arrays in sol-gel glass using a simple proximity-effect-assisted reflow technique”, Optics Letters,  vol. 29, p. 1007-1009, (2004).

16. W. M. Lee and X.-C. Yuan*, “Experimental observation of “pure helical phase” interference using moiré fringes generated from holograms with dislocations”, Journal of Optics A,  vol. 6, p. 482-485, (2004).

17. M. He, X.-C. Yuan*, N. Q. Ngo, J. Bu and S. H. Tao, “Single-step fabrication of microlens array in sol-gel material by direct laser writing and its application in optical coupling”, Journal of Optics A,  vol. 6, p. 94-97, (2004).

2003

1. W. X. Yu and X.-C. Yuan*, “Fabrication of multilevel structures in self-development photosensitive hybrid sol-gel glass by a gray scale mask”. Optical Engineering,  vol. 42, p. 3411-3412, (2003). 

2. W. M. Lee and X.-C. Yuan*, “Observation of 3-dimensional optical stacking of microparticles using a single Laguerre-Gaussian beam”, Applied Physics Letters,  vol. 83, p. 5124-5126, (2003).

3. M. He, X.-C. Yuan*, N. Q. Ngo, and J. Bu, “Molecular beam epitaxy growth of arsenic film and its semimetal-to-semiconductor transition”, Applied Physics Letters,  vol. 83, p. 5452-5454, (2003).

4. Miao He, Xiaocong Yuan*, Nam Quoc Ngo, Wai Chye Cheong and Jing Bu, “Reflow technique for fabrication of an elliptical microlens array in sol-gel material”, Applied Optics,  vol. 42, p. 7174-7178, (2003)

5. S. H. Tao, W. M. Lee, X.-C. Yuan*, “Dynamic optical manipulation using higher order fractional Bessel beam generated from a spatial light modulator”, Optics Letters,  vol. 28, p. 1867-1869, (2003).

6. D. W. Zhang and X.-C. Yuan*, “Entangled Double Helix Phase”, Optics Letters,  vol. 28, p. 1864-1866, (2003).

7. W. X. Yu and X.-C. Yuan*, “A Simple Method for Fabrication of Thick Sol-gel Microlens as a Single Mode Fibre Coupler”, IEEE - Photonics Technology Letters,  vol. 15, p. 1410-1412, (2003).

8. W. X. Yu and X.-C. Yuan*, “UV induced controllable  volume growth in hybrid sol-gel glass for fabrication of a refractive microlens by use of a grayscale mask”, Optics Express,  vol. 11, p. 2253-2258, (2003).

9. W. X. Yu and X.-C. Yuan*, “Variable surface profile gratings in sol-gel glass fabricated by holographic interference”, Optics Express,  vol. 11, p. 1925-1930, (2003).

10. S. H. Tao and X.-C. Yuan*, “Mode shaping at a given distance outside resonator with diffractive optical elements”, Journal of Optics A,  vol. 5, p.511-514, (2003).

11. M. He, X.-C. Yuan*, N. Q. Ngo, J. Bu and S. H. Tao, “Low-cost and efficient coupling technique using reflowed sol-gel microlens”, Optics Express,  vol. 11, p. 1621-1627, (2003).

12. W. X. Yu and X.-C. Yuan*, “Point-to-point UV laser direct writing initiated  volume growth in hybrid sol-gel glass for 3D micro fabrication”, Optics Letters,  vol. 28, p.1573-1575, (2003).

13. M. He, X.-C. Yuan*, N. Q. Ngo, W. C. Cheong and J. Bu, “Simple fabrication of cylindrical sol-gel microlens array by reflowing technique”, Optical Engineering,  vol. 42, p. 2180-2181, (2003).

14. S. H. Tao, X.-C. Yuan*, W. C. Cheong, J. Bu and V. Kudryashov, “Optimized polarization-selective computer-generated hologram with fewer phase combinations”, Optics Express,  vol. 11, p. 1252-1257, (2003).

15. W. X. Yu and X.-C. Yuan*, “Fabrication of refractive microlens in hybrid SiO₂/TiO₂ sol-gel glass by electron beam lithography”, Optics Express,  vol. 11, p. 899-903, (2003).

16. M. He, X.-C. Yuan*, N. Q. Ngo, J. Bu and V. Kudryashov, “A simple reflow technique for fabrication of microlens array in sol-gel glass,” Optics Letters,  vol. 28, p. 731-733, (2003).

17. W.M. Lee, X.-C. Yuan* and D.Y. Tang, “Optical tweezers with multiple optical forces using double hologram interference”, Optics Express,  vol. 11, p. 199-207, (2003).

18. V. Kudryashov, X.-C. Yuan, W. C. Cheong and K. Radhakrishnan, “Grey scale structures formation in SU-8 with e-beam and UV”, Microelectronic Engineering,  vol. 67-68, p. 306-311, (2003).

19. D. W. Zhang and X.-C. Yuan*, “Novel optical doughnut for optical tweezers”, Optics Letters,  vol. 28, p. 740-742, (2003).

20. X.-C. Yuan*, W X Yu, N Q Ngo and W. C. Cheong, “Improved sol-gel thin film for fabrication of multilevel structures using an HEBS gray scale mask”, Optical Engineering,  vol. 42, p. 302-303, (2003).

2002

1. X.-C. Yuan*, W X Yu, W. C. Cheong and N Q  Ngo, “Improved linear response to UV exposure of SiO₂/TiO₂ hybrid sol-gel glass”, J. Phys. D: Appl. Phys.,  vol 35, 81-84, (2002).

2. W. C. Cheong, X.-C. Yuan*, V. Koudriachov and W. X. Yu,“High Sensitive SiO2 and TiO2 Hybrid Sol-Gel Material for Fabrication of Grey-Scale Diffractive Optics Elements by Electron-Beam Lithography”, Optics Express,  vol. 10, p. 586-590, (2002).

3. J.L. Du, Z. Cui, X.-C. Yuan and Y. K. Guo, “Investigation of phase shift mask distortion effect”, Microelectronic Engineering,  vol. 61-62, p. 265-270, (2002).

4. D. W. Zhang, X.-C. Yuan*, N. Q. Ngo and P. Shum, “Fast Hankel transform and its application for studying the propagation of cylindrical electromagnetic fields,” Optics Express,  vol. 10, p. 521-525, (2002).

5. W. X. Yu, X.-C. Yuan*, N. Q. Ngo, Wenxiu Que, W. C. Cheong, and V. Koudriachov, “Single-step fabrication of continuous surface relief micro-optical elements in hybrid sol-gel glass by laser direct writing”, Optics Express,  vol. 10, p. 443 - 448, (2002).

6. X.-C. Yuan*, W X Yu, N Q Ngo and W C Cheong, “Cost-effective fabrication of microlenses on hybrid sol-gel glass with a high-energy beam-sensitive grey-scale mask”, Optics Express,  vol. 10, p. 303-308, (2002).

7. M.T. Browne, P. Charalambous, R. E. Burge and X.-C. Yuan, “Combined microscope for scanning X-ray transmission and surface topography”, Ultramicroscopy,  vol. 92, p. 221-232, (2002).

2001

1. X.-C. Yuan*, H J Jiang and W C Cheong, “Characterization of photosensitive hybrid sol-gel glass with high-energy beam-sensitive grey-scale mask in single-step fabrication of blazed gratings”, J. Phys. D: Appl. Phys.,  vol 34, p. 125-128, (2001).

2. H J Jiang, X-C Yuan*, Y L Lam, Y C Chan and G I Ng, “Single-step Fabrication of Surface Relief Diffractive Optical Elements on Hybrid Sol-Gel Glass”, Optical Engineering,  vol 40, p 2017-2021, (2001).

3. X-C Yuan*, R. E. Burge, J. Bu, S. C. Tam and Y. L. Lam, “Characterization of 1D diffractive optical elements by phase inversion”, Journal of Modern Optics,  vol 48, p 1303-1316, (2001).

4. Guangya Zhou, Xiaocong Yuan, Philip Dowd, Yee-Loy Lam, and Yuen-Chuen Chan, “Design of diffractive phase element for beam shaping: a hybrid approach", J. Opt. Soc. Am. A,  vol. 18, p. 791-800, (2001). 

5. Hongjin Jiang, Xiaocong Yuan, Zhisheng Yun, Yuen-Chuen Chan, Yee-Loy Lam, “Fabrication of microlens in photosensitive hybrid sol-gel films using a gray scale mask”, Materials Science and Engineering C,  vol. 16, p. 99-102, (2001).

2000

1. H J Jiang, X-C Yuan*, Y Zhou, C Y Chan and Y L Lam, “Single-step fabrication of diffraction gratings on hybrid sol-gel galss using hologrphic interfernce lithography”, Optics Communications,  vol. 185, p. 19-24 (2000). 

2. Guangya Zhou, Xiaocong Yuan, Philip Dowd, Yee-Loy Lam, and Yuen-Chuen Chan, “Efficient method for the evaluation of the diffraction efficiency upper bound of diffractive phase elements”, Optics Letters,  vol. 25, Issue 17, p. 1288-1290, (2000).

3. R.E. Burge, X-C Yuan, G R Morrison, P Charalambous, M T Browne and Z An, “Incoherent

   imaging with the soft X-ray microscope”, Ultramicroscopy,  vol. 83, p.75-92 (2000).

   
    

Publications Summary