Hongwen Ren

Summary

Publications

  1. doi request reprint Switchable focus using a polymeric lenticular microlens array and a polarization rotator
    Hongwen Ren
    Department of polymer Nano Science and Tech, Chonbuk National University, Jeonju, Jeonbuk, 561 756, South Korea
    Opt Express 21:7916-25. 2013
  2. doi request reprint Gradient polymer network liquid crystal with a large refractive index change
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Jeonbuk, South Korea
    Opt Express 20:26464-72. 2012
  3. doi request reprint Liquid crystal pump
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Jeonbuk, South Korea
    Lab Chip 13:100-5. 2013
  4. ncbi request reprint Optical switch based on variable aperture
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Chonbuk, South Korea
    Opt Lett 37:1421-3. 2012
  5. doi request reprint Deformable liquid droplets for optical beam control
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University Jeonju, Jeonbuk, 561 756, Republic of Korea
    Opt Express 18:11904-10. 2010
  6. doi request reprint Optical switch using a deformable liquid droplet
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Jeonju, Jeonbuk, 561 756, South Korea
    Opt Lett 35:3826-8. 2010
  7. ncbi request reprint Voltage-expandable liquid crystal surface
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Jeonju, South Korea
    Lab Chip 11:3426-30. 2011
  8. doi request reprint A new method for fabricating high density and large aperture ratio liquid microlens array
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Chonju, Chonbuk, 561 756, Republic of South Korea
    Opt Express 17:24183-8. 2009

Detail Information

Publications8

  1. doi request reprint Switchable focus using a polymeric lenticular microlens array and a polarization rotator
    Hongwen Ren
    Department of polymer Nano Science and Tech, Chonbuk National University, Jeonju, Jeonbuk, 561 756, South Korea
    Opt Express 21:7916-25. 2013
    ..Such an integrated lens system offers several advantages, such as low voltage, fast response time, and temperature insensitivity, and can be used for switchable 2D/3D displays...
  2. doi request reprint Gradient polymer network liquid crystal with a large refractive index change
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Jeonbuk, South Korea
    Opt Express 20:26464-72. 2012
    ..Potential applications include tunable-focus lenses, prism gratings, phase modulators, and other adaptive photonic devices...
  3. doi request reprint Liquid crystal pump
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Jeonbuk, South Korea
    Lab Chip 13:100-5. 2013
    ..It is promising for applications in lens actuators, biotechnology, drug delivery, and other lab-on-a-chip devices...
  4. ncbi request reprint Optical switch based on variable aperture
    Hongwen Ren
    Department of Polymer Nano Science and Technology, Chonbuk National University, Jeonju, Chonbuk, South Korea
    Opt Lett 37:1421-3. 2012
    ..The switchable aperture ratio of the pixel is over 80% and the response time is ~10 ms. Such a device is useful for an optical attenuator, a light shutter, an adaptive iris, and an information display...
  5. doi request reprint Deformable liquid droplets for optical beam control
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University Jeonju, Jeonbuk, 561 756, Republic of Korea
    Opt Express 18:11904-10. 2010
    ..By choosing proper liquids, the required voltage for such a shape change is relatively low and the transition speed is fast. Potential application of such a deformable droplet for optical beam control is discussed...
  6. doi request reprint Optical switch using a deformable liquid droplet
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Jeonju, Jeonbuk, 561 756, South Korea
    Opt Lett 35:3826-8. 2010
    ..Devices based on such an operation mechanism have potential applications in light shutters, variable optical attenuators, adaptive irises, and displays...
  7. ncbi request reprint Voltage-expandable liquid crystal surface
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Jeonju, South Korea
    Lab Chip 11:3426-30. 2011
    ..This work opens a new gateway for voltage controllable, polarization-insensitive, and broadband liquid photonic devices which may find numerous applications in switchable windows, variable optical attenuators, and displays...
  8. doi request reprint A new method for fabricating high density and large aperture ratio liquid microlens array
    Hongwen Ren
    Department of Polymer Nano Science and Engineering, Chonbuk National University, Chonju, Chonbuk, 561 756, Republic of South Korea
    Opt Express 17:24183-8. 2009
    ..The microlens array exhibits a large dynamic range and fast response time (tens of milliseconds). Besides liquid microlens arrays, this fabrication method also opens a new door for making other tunable photonic devices...