Dr. Duchang Heo Profile

Dr. Duchang Heo

Researcher at Korea Electrotechnology Research Institute

SPIE Involvement:

Author

Area of Expertise:

Optoelectronics , Photonics

Publications (5)

Proceedings Article | 24 February 2020 Presentation + Paper

940nm 400mW transverse single mode laser diode with RISA structure

Jeong-Geun Kwak, Jong-Keun Park, Jeong-Hyun Park, Jae-Gyu Kim, An-Sik Choi, Tae-Kyung Kim, Duchang Heo

Proceedings Volume 11301, 113010Z (2020) https://doi.org/10.1117/12.2545268

KEYWORDS: Gallium arsenide, Semiconductor lasers, Aluminum, Reliability, Silicon, Resistance, Sensors, Waveguides, Etching, Oxides

Read Abstract +

Proceedings Article | 14 March 2018 Presentation

Optimization of second harmonic generation in high power femtosecond Yb lasers (Conference Presentation)

Ji Won Kim, Dong Joon Kim, Eunji Park, Duchang Heo, Guang-Hoon Kim, Hoon Jeong

Proceedings Volume 10511, 1051115 (2018) https://doi.org/10.1117/12.2288879

KEYWORDS: Femtosecond phenomena, Second-harmonic generation, Nonlinear crystals, High power lasers, Ytterbium, Crystals, Laser crystals, Harmonic generation, Laser therapeutics, Laser vision correction

Read Abstract +

SPIE Journal Paper | 24 October 2016 Open Access

Sampling scheme optimization for diffuse optical tomography based on data and image space rankings

Sohail Sabir, Changhwan Kim, Sanghoon Cho, Duchang Heo, Kee Hyun Kim, Jong Chul Ye, Seungryong Cho

JBO, Vol. 21, Issue 10, 106004, (October 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.10.106004

KEYWORDS: Intelligence systems, Diffuse optical tomography, Sensors, Absorption, Scattering, Image resolution, Data modeling, Head, Brain, Inverse optics

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 10 March 2016 Paper

Adaptive selection of minimally correlated data for optimization of source-detector configuration in diffuse optical tomography

Sohail Sabir, Keehyun Kim, Duchang Heo, Seungryong Cho

Proceedings Volume 9701, 97010V (2016) https://doi.org/10.1117/12.2211580

KEYWORDS: Diffuse optical tomography, Inverse problems, Optimization (mathematics), Iterative methods, Image quality, Image resolution, Sensors, Diffuse optical imaging, Near infrared, Tissue optics, Data modeling, Diffusion, Error analysis

Read Abstract +

Proceedings Article | 1 April 2015 Paper

Tapered laser diode with linearly effective-refractive-index variation waveguide

Duchang Heo, Yun-Seok Kwak, Tae-kyung Kim, Young-Wook Choi

Proceedings Volume 9348, 934813 (2015) https://doi.org/10.1117/12.2080439

KEYWORDS: Waveguides, Semiconductor lasers, Beam propagation method, Refractive index, Quantum wells, Etching, Wave propagation, Gallium arsenide, Laser therapeutics, Diffuse optical imaging

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years