@article{article, title  = {{Simple method for estimating usable bend radii of deeply etched optical rib waveguides}},

 publisher = {{Institution of Engineering and Technology (IET)}},

 url = {{https://doi.org/10.1049/el:19910962 }},

 year = {{1991}},

 month = {{8}},

 author = {{Pennings ECM and Deri RJ and Hawkins RJ}},

 doi = {{10.1049/el:19910962}},

 volume = {{27}},

 journal = {{Electronics Letters}},

 issue = {{17}},

 pages = {{1532-1534}},

 note = {{Accessed on 2026/02/04}}}