Design of a multi-band Raman tweezers objective for in situ studies of deep-sea microorganisms

doi:10.1364/OE.503218

CIOMP OpenIR

	Design of a multi-band Raman tweezers objective for in situ studies of deep-sea microorganisms
	J. Wang, L. Lin, Q. Wu, B. Liu and B. Li
	2023
发表期刊	Optics Express
ISSN	10944087
卷号	31 期号:22 页码:36883-36902
摘要	The investigation of deep-sea microorganisms holds immense significance and value in advancing the fields of life sciences, biotechnology, and environmental conservation. However, the current lack of specialized underwater objectives specifically designed for in situ studies of deep-sea microorganisms hampers progress in this area. To address this limitation, we present the design of a multi-band Raman tweezer objective tailored for deep-sea environments. The objective is integrated into a high-pressure chamber capable of withstanding depths up to 1.5 km, enabling in situ microscopic imaging, optical tweezer capture, and Raman detection of deep-sea microorganisms. Through meticulous structural optimization, meticulous material selection, and thorough mechanical analysis of the underwater optical window, the objective exhibits remarkable attributes such as multi-band functionality, extended working distance, and high numerical aperture. Our design yields image quality near the diffraction limit, successfully achieving flat-field and apochromatic performance in each respective wavelength bands. Moreover, the tolerance analysis demonstrates that the full-field root mean square (RMS) wave aberration approaches λ/14, effectively meeting the demands of manufacturing and practical applications. This objective lens constitutes a vital tool for the in situ exploration of deep-sea microorganisms. © 2023 Optica Publishing Group.
DOI	10.1364/OE.503218
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67936
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	J. Wang, L. Lin, Q. Wu, B. Liu and B. Li. Design of a multi-band Raman tweezers objective for in situ studies of deep-sea microorganisms[J]. Optics Express,2023,31(22):36883-36902.
APA	J. Wang, L. Lin, Q. Wu, B. Liu and B. Li.(2023).Design of a multi-band Raman tweezers objective for in situ studies of deep-sea microorganisms.Optics Express,31(22),36883-36902.
MLA	J. Wang, L. Lin, Q. Wu, B. Liu and B. Li."Design of a multi-band Raman tweezers objective for in situ studies of deep-sea microorganisms".Optics Express 31.22(2023):36883-36902.

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