𝔖 Bobbio Scriptorium
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A New Large Two-Lens Quartz Spectrograph of Compact Design

✍ Scribed by JACOBSOHN, S.


Book ID
115376310
Publisher
Optical Society of America
Year
1942
Weight
804 KB
Volume
32
Category
Article
ISSN
0030-3941

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## Abstract In this article, a new compact defected ground structure (DGS) low pass filter (LPF) with wide rejection band, low insertion loss in the stopband, and sharp transition from passband to stopband is proposed__.__ The prototype LPF is composed of three repetitive DGS elements with open stu