Researching | Design of Medical Optical Zoom Achromatic Endoscope Objective

Laser & Optoelectronics Progress, Volume. 59, Issue 24, 2417001(2022)

Design of Medical Optical Zoom Achromatic Endoscope Objective

Hongtao Cheng¹ and Hengyu Li^2、*

Author Affiliations

¹Department of Development and Plan, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China

²School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China

show less

Abstract Get PDF(in Chinese)

Figures&Tables (6)

References (10)

Paper Information

Figures & Tables(6)

Fig. 1. Principle of Alvarez lens

Download full size

Fig. 2. Endoscope objective based on Alvarez lens

Download full size

Table 1. Physical parameters of optical elements
View table
Table 1. Physical parameters of optical elements
Lens $d$ /mm Glass $v$ $n$ $ξ$
$L_{1}$
20
30
LAH66 49.601340 1.772499 0.2
$L_{2}$ TIH6 25.432057 1.805181 0.2
$L_{3}$ FSL5 70.210260 1.487490 0.2

Table 2. Optical and physical parameters of Alvarez lens

Table 2. Optical and physical parameters of Alvarez lens

Status	m	$ϕ_{1} / m m^{- 1}$	$t_{1} / m m$	$ϕ_{2} / m m^{- 1}$	$t_{2} / m m$	$ϕ_{3} / m m^{- 1}$	$t_{3} / m m$
Wide angle	-3	0.0398	0.0644	-0.2439	-0.3786	0.0582	0.1492
Mid-zoom	-2.5	0.0362	0.0586	-0.1691	-0.2625	0.0591	0.1515
Tele-zoom	-2	0.0347	0.0561	-0.1722	-0.2673	0.0598	0.1533

Table 3. Light height value on edge axis of Alvarez zoom system
View table
Table 3. Light height value on edge axis of Alvarez zoom system
Status $y_{1}$ $y_{2}$ $y_{3}$
Wide angle 1 0.9204 1.4745
Mid-zoom 1 0.9276 1.2896
Tele-zoom 1 0.9306 1.3072

Table 4. Axial color calculation value of Alvarez zoom system
View table
Table 4. Axial color calculation value of Alvarez zoom system
Status Axial color
Wide angle 0.005520
Mid-zoom 0.003591
Tele-zoom 0.003709

Tools

Get Citation

Copy Citation Text

Hongtao Cheng, Hengyu Li. Design of Medical Optical Zoom Achromatic Endoscope Objective[J]. Laser & Optoelectronics Progress, 2022, 59(24): 2417001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Medical Optics and Biotechnology

Received: Jan. 12, 2022

Accepted: Feb. 18, 2022

Published Online: Jan. 11, 2023

The Author Email: Li Hengyu (lihengyu@shu.edu.cn)

DOI:10.3788/LOP202259.2417001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology