Kunihiko Takeshige

Title: Kunihiko Takeshige: Innovator in Nonlinear Optical Devices

Introduction

Kunihiko Takeshige is a prominent inventor based in Hirakata, Japan. He is known for his significant contributions to the field of nonlinear optics. His innovative work has led to advancements in frequency doubler devices, which are essential in various optical applications.

Latest Patents

Takeshige holds a patent for a method to fabricate frequency doubler devices. This method involves a process to form periodic tantalum masks on a LiNb.sub.x Ta.sub.1-x O.sub.3 crystal substrate. It also includes a process to create periodic proton exchanged regions through phosphoric acid treatment. Additionally, it outlines a process to form an optical waveguide on the surface of the crystal. This fabrication method allows for the formation of deeper domain-inverted regions on the crystal surface, enabling the transformation of a fundamental wave into a harmonic wave with high efficiency. He has 1 patent to his name.

Career Highlights

Kunihiko Takeshige is associated with Matsushita Electric Industrial Co., Ltd., where he has made significant contributions to research and development in optical technologies. His work has been instrumental in enhancing the efficiency of optical devices.

Collaborations

Takeshige has collaborated with notable colleagues, including Kazuhisa Yamamoto and Tetsuo Taniuchi. Their combined expertise has contributed to advancements in the field of nonlinear optics.

Conclusion

Kunihiko Takeshige's innovative methods in fabricating frequency doubler devices highlight his role as a key inventor in the field of nonlinear optics. His contributions continue to influence advancements in optical technologies.