Advances in infrared gradient refractive index (GRIN) materials: a review

KA Richardson, M Kang, L Sisken, A Yadav… - Optical …, 2020 - spiedigitallibrary.org
Optical materials capable of advanced functionality in the infrared will enable optical
designs that can offer lightweight or small footprint solutions in both planar and bulk optical …

Reflective dual field-of-view optical system based on the Alvarez principle

L Zettlitzer, H Gross, S Risse, R Theska - Applied Optics, 2023 - opg.optica.org
A novel, to the best of our knowledge, dual-state reflective optical relay system based on the
Alvarez system is proposed, which can be used for remote sensing applications. By keeping …

Dual FOV afocal zoom system with stationary pupils using single moving group

Y Zhao, JL Bentley, DT Moore - International Optical Design …, 2017 - opg.optica.org
Formulae and design examples are demonstrated for designing an afocal zoom system that
has two discrete zoom positions with stationary and accessible real entrance and exit pupils …

[HTML][HTML] ОПТИЧЕСКИЕ ПРИЦЕЛЫ СО СМЕННЫМ УВЕЛИЧЕНИЕМ

ЕВ Шмелев, ТН Хацевич - Интерэкспо Гео-Сибирь, 2021 - cyberleninka.ru
В статье отмечается тенденция развития оптических прицелов, выполненных с
дискретной сменой увеличения. На примере двух оптических схем в идеальных …

Midwave infrared discrete zoom lens

M Oskotsky, D Engheben, V Lipari, M Russo - US Patent 11,860,345, 2024 - Google Patents
A mid-wave infrared (MWIR) discrete zoom lens for use with remote surveillance and
identification having a dual focal length of 9 and 6.39 inches and F# 2.8 and F# 2 …