beijing optics

Resources

k - Resources
Plenoptic cameras

What is Plenoptic camera? How it works? What is the application? Plenoptic cameras, known as light field cameras, best capture light fields. How do robotic systems use light field data?

p5 2 - Resources
Gaussian Beam Optics

In your typical optics lab, most of us, as scientists or engineers, are familiar with geometrical optics, which assumes that the wavelength of the light approaches zero.

SharedScreenshot - Resources
A tutorial for designing fundamental imaging systems

This tutorial shows what to do when we design opto-mechanical system for imaging system. Basic principles about designing paraxial systems are introduced.

Screenshot 2023 06 10 180129 - Resources
Front view and panoramic side view videoscope lens system design

 

A typical endoscope, either for industrial or medical purpose, is conventionally the front viewing type, which have a limited view angle.

1 dX1Cks2kvy 2ZotZyi3tOg 0 - Resources
Exact ray tracing in MATLAB

This tutorial explains how to program a simple geometric ray tracing program in MATLAB, which can be written in any other programming language like C or Python and extended to add elements and complexity

Screenshot 2023 05 14 105013 768x349 - Resources
An Introduction to Invar

This paper is intended to serve as an introduction to Invar for an audience of opto-mechanical engineers.  I wrote this paper as part of a class in opto-mechanical engineering taught by Professor James Burge at the University of Arizona.

guh 1024x819 - Resources
Tolerancing in ZEMAX 2
Tolerancing is a very useful skill to have as an optical engineer. If an optical system is to be built, a tolerance analysis must be performed to ensure that the system will meet the performance specifications.
Screenshot 2023 06 30 040118 768x467 - Resources
Image Quality Criteria –Which Metric Should I Use?

Image quality criteria define the expected imaging performance of an optical system.  It may also be described as the set of requirements that characterizes how well the imaging system works.

pic1 - Resources
How to Measure MTF 

With the growing role played by optical devices in measurement, communication, and photonics, there is a clear need for characterizing optical components. A basic and useful parameter, especially for imaging systems, is the Modulation Transfer Function, or MTF. 

Screenshot 2023 06 29 034433 - Resources
What is an Integrated Detector Assembly?

In comparison with uncooled detectors, Cooled detectors have higher quantum efficiencies, operate at much faster speed of detection and are significantly more sensitive

Screenshot 2023 05 24 170636 - Resources
Choosing Optical Materials for Long Wave Infrared (8-12μm) Applicatio

Imaging in the long-wave infrared (LWIR) spectral region, also referred to as the thermal infrared, has many useful applications in the military, security, construction, and scientific fields.

Screenshot 2023 07 16 051306 - Resources
Methods of measuring the focal length of the optical element
Focal length of optical elements is an essential parameter to optical engineers. In many applications, we need to get this parameter first then continue the following work.
Screenshot 2023 06 06 125531 - Resources
Tolerancing in Zemax 1

Being able to design a good optical system is important as an optical engineer, but equally as important is being able to tolerance it. 

Screenshot 2023 07 19 081646 - Resources
Tutorial on Strehl ratio, wavefront power series expansion,

The wave aberration function, W(x,y), is defined as the distance, in optical path length (product of the refractive index and path length),

Screenshot 2023 07 01 022218 1024x380 - Resources
Optomechanical Properties of Infrared Materials

When designing an optical system, one needs to know what waveband to design for and what materials can be used in this spectral range. 

ASS - Resources
Tolerancing in CodeV

The allocation of fabrication and assembly tolerance for optical components is a task that is on completely equal footing with optimization.  

Untitled - Resources
Birefringence Precision Measurement and Reduction Tutorial

High precision optical instruments used in industrial applications require control of many variables in order to maintain precise measurements. 

Screenshot 2023 08 02 121633 - Resources
Lightweighted telescope mirrors: Outstanding properties of Silicon Carbide

Nowadays, the willingness to always go further in the exploration of the Space and its celestial bodies requires the observation instruments sent in the Space to continuously improve their performances.

Untitled - Resources
Selection of Optical Adhesives Andrew Clements

This paper presents an overview of the issues involved with selection of an optomechanical adhesive.  It proposes a very general approach by which selection of optomechanical adhesives may be considered.  improve their performances.

Idealized structure of anodic porous aluminum oxide. From - Resources
Coatings and Treatments for Aluminum

Aluminum is a very common material used for structural components due to it being fairly inexpensive to procure and machine. 

Screenshot 2023 08 17 003505 - Resources
Tutorial of Telecentric Lens

Nowadays, high accuracy and performance of critical to many machine vision system, a method that use telecentric lens allows highest possible accuracy to be obtained.

Screenshot 2023 08 17 003505 - Resources
Methods for measuring a lens focal length

The focal length is one of the most important parameter of a lens. Sometimes the focal length is slightly different from the datasheet value given by the manufacturer, having an impact on the predicted optical system performances.

Annotation 2023 09 21 224833 - Resources
Choices of adhesives-general introduction to structure adhesives

This tutorial report focus on the choices of adhesives. The most common type of adhesives, characteristics of each type are introduced. The basic procedure for polymer adhesives as well as the corresponded mechanical properties and test methods are introduced.

Screenshot 2023 09 24 020432 - Resources
Zerodur

Zerodur is the trade name of a low thermal expansion glass-ceramic composite material made by Schott Glass. This report summarizes the chemical, physical and optical properties of Zerodur and discusses the applications for which this material is suited.

Screenshot 2023 09 24 020432 - Resources
Black Coatings to Reduce Stray Light

This report is a tutorial on the use of black coatings to reduce stray light. An optical system that is designed to produce an image of an object or scene is limited by three main aspects. The first is the quality of the image that the optics can provide.

Screenshot 2023 09 25 204335 - Resources
Beryllium: Properties and Applications

Beryllium is a lightweight, stiff, high thermal conductivity material which is useful in many opto-mechanical applications. Much work has been done to achieve high purity, isotropic beryllium blanks and foils.

placeholder - Resources
Window strength and environments

A window is used as a transparent interface in optical systems in order to separate the internal components from the outside environment. Its role is to protect the optical system from external contaminants such as dirt and moisture, while transmitting the desired light radiation.

placeholder - Resources
Electro-Optical Environmental Considerations

In the requirement development, design, and system development the majority of attention is paid to the mechanical, electrical and optical components and assemblies of Electro-Optical systems.

Screenshot 2023 08 30 154202 - Resources
First Order Optics

First order optics are the principles and equations which describe the geometrical imaging of any optical system. The foundations of first order optics are derived from the concept of central projection, collinear transformation and the camera obscura.

placeholder - Resources
Specifying Scratch/Dig of an Optical Surface MIL-0-13830

The designation of surface will be given in the form of two numbers, i.e. 60-40. The first number specifies the maximum width of scratches on the surface in tenths of a micron.

Screenshot 2023 09 02 024046 - Resources
An Introduction to the Optics Manufacturing Process

Although technological advances are continually being made in machinery for optics manufacturing, the actual manufacturing process has, in many ways, remained unchanged. This paper serves as a basic overview of how a lens is manufactured from a blank.

Screenshot 2023 09 05 030558 - Resources
Amplifiers for the Masses: EDFA, EDWA, and SOA Amplets for Metro and Access Applications

The demand for quality bandwidth is increasing with the rise of internet dependence. From daily purchases to social networking to operating businesses, high internet-traffic metropolitan areas need communication with metropolitan areas in different states and even different countries. 

Screenshot 2023 09 05 040228 - Resources
Designing high power single frequency fiber lasers

Single frequency lasers with narrow linewidth have long coherence length and this is an essential property for many applications in industry and science.

Screenshot 2023 09 09 171027 - Resources
High bandwidth fast steering mirror

A high bandwidth, gimbaled, fast steering mirror (FSM) assembly has been designed and tested at the Lockheed Martin Space Systems Company (LMSSC) Advanced Technology Center (ATC).

Screenshot 2023 09 13 183458 - Resources
An Introduction to Optical Window Design

The purpose of this paper is to give the practicing engineer a practical introduction to the area of optical window design. Several design considerations and typical specifications for optical windows and their mounting are discussed.

Screenshot 2023 09 15 030531 - Resources
Chemical properties of optical glass: Test procedures, and considerations for design and assembly

This paper will summarize the considerations of chemical stability of optical glasses, with an emphasis on design considerations relevant to common optomechanical systems.

Annotation 2023 09 18 084813 - Resources
Tutorial Selection of vibration isolators

Controlling or isolating vibration caused by a ground motion or an acoustic noise is critically important in precise optical fabrications and measurements.

Annotation 2023 09 21 232759 - Resources
Choices of adhesives—general introduction to structure adhesives

This tutorial report focus on the choices of adhesives. The most common type of adhesives, characteristics of each type are introduced. The basic procedure for polymer adhesives as well as the corresponded mechanical properties and test methods are introduced.

Screenshot 2023 09 23 205649 1 - Resources
Zerodur

Zerodur is the trade name of a low thermal expansion glass-ceramic composite material made by Schott Glass. This report summarizes the chemical, physical and optical properties of Zerodur and discusses the applications for which this material is suited.

Screenshot 2023 09 24 161135 - Resources
Black Coatings to Reduce Stray Light

This report is a tutorial on the use of black coatings to reduce stray light. An optical system that is designed to produce an image of an object or scene is limited by three main aspects. The first is the quality of the image that the optics can provide. 

Screenshot 2023 09 25 224011 - Resources
Beryllium: Properties and Applications

Beryllium is a lightweight, stiff, high thermal conductivity material which is useful in many opto-mechanical applications. Much work has been done to achieve high purity, isotropic beryllium blanks and foils.

placeholder - Resources
Window strength and environments

A window is used as a transparent interface in optical systems in order to separate the internal components from the outside environment. Its role is to protect the optical system from external contaminants such as dirt and moisture, while transmitting the desired light radiation.

Screenshot 2023 06 06 125531 - Resources
Tolerancing in Zemax 1

Being able to design a good optical system is important as an optical engineer, but equally as important is being able to tolerance it. 

guh 1024x819 - Resources
Tolerancing in ZEMAX 2
Tolerancing is a very useful skill to have as an optical engineer. If an optical system is to be built, a tolerance analysis must be performed to ensure that the system will meet the performance specifications.
Screenshot 2023 05 24 170636 - Resources
Choosing Optical Materials for Long Wave Infrared (8-12μm) Applicatio

Imaging in the long-wave infrared (LWIR) spectral region, also referred to as the thermal infrared, has many useful applications in the military, security, construction, and scientific fields.

ASS - Resources
Tolerancing in code V

The allocation of fabrication and assembly tolerance for optical components is a task that is on completely equal footing with optimization.  When building an optical system, it is extremely crucial to ensure that the system meets the performance specification through tolerance analysis. 

placeholder - Resources
Optical Tolerances2

Manufacturing optical tolerances are important factors that impact both performance and cost of an optical component or system. Optical components commonly require tighter optical tolerances than mechanical components. 

placeholder - Resources
Optical Tolerances4

Manufacturing optical tolerances are important factors that impact both performance and cost of an optical component or system. Optical components commonly require tighter optical tolerances than mechanical components.

placeholder - Resources
Optical Tolerances5

Manufacturing optical tolerances are important factors that impact both performance and cost of an optical component or system. Optical components commonly require tighter optical tolerances than mechanical components.

Screenshot 2023 05 14 105013 768x349 - Resources
An Introduction to Invar

This paper is intended to serve as an introduction to Invar for an audience of opto-mechanical engineers.  I wrote this paper as part of a class in opto-mechanical engineering taught by Professor James Burge at the University of Arizona.

Screenshot 2023 07 01 022218 1024x380 - Resources
Optomechanical Properties of Infrared Materials

When designing an optical system, one needs to know what waveband to design for and what materials can be used in this spectral range. 

Screenshot 2023 08 02 121633 - Resources
Lightweighted telescope mirrors: Outstanding properties of Silicon Carbide

Nowadays, the willingness to always go further in the exploration of the Space and its celestial bodies requires the observation instruments sent in the Space to continuously improve their performances. 

pic1 - Resources
How to Measure MTF 

With the growing role played by optical devices in measurement, communication, and photonics, there is a clear need for characterizing optical components. A basic and useful parameter, especially for imaging systems, is the Modulation Transfer Function, or MTF. 

Screenshot 2023 06 30 040118 768x467 - Resources
Image Quality Criteria –Which Metric Should I Use?

Image quality criteria define the expected imaging performance of an optical system.  It may also be described as the set of requirements that characterizes how well the imaging system works.

Screenshot 2023 07 16 051306 - Resources
Methods of measuring the focal length of the optical element
Focal length of optical elements is an essential parameter to optical engineers. In many applications, we need to get this parameter first then continue the following work.
Screenshot 2023 06 29 034433 - Resources
What is an Integrated Detector Assembly?

In comparison with uncooled detectors, Cooled detectors have higher quantum efficiencies, operate at much faster speed of detection (frame rates) and are significantly more sensitive

Screenshot 2023 07 19 081646 - Resources
Tutorial on Strehl ratio, wavefront power series expansion,

The wave aberration function, W(x,y), is defined as the distance, in optical path length (product of the refractive index and path length),

p5 2 - Resources

Gaussian Beam Optics

In your typical optics lab, most of us, as scientists or engineers, are familiar with geometrical optics, which assumes that the wavelength of the light approaches zero.
placeholder - Resources

A tutorial for designing fundamental imaging systems

This tutorial shows what to do when we design opto-mechanical system for imaging system. Basic principles about designing paraxial systems are introduced.

1 dX1Cks2kvy 2ZotZyi3tOg 0 - Resources

Exact ray tracing in MATLAB

This tutorial explains how to program a simple geometric ray tracing program in MATLAB, which can be written in any other programming language like C or Python and extended to add elements and complexity

Screenshot 2023 05 14 105013 768x349 - Resources

An Introduction to Invar

This paper is intended to serve as an introduction to Invar for an audience of opto-mechanical engineers.  I wrote this paper as part of a class in opto-mechanical engineering taught by Professor James Burge at the University of Arizona.

Screenshot 2023 06 10 180129 - Resources

Front view and panoramic side view videoscope lens system design

A typical endoscope, either for industrial or medical purpose, is conventionally the front viewing type, which have a limited view angle.

Screenshot 2023 07 30 120827 - Resources
Tutorial: Applied Use of Composites in Optical Systems

The purpose of this paper is to provide a brief discussion of the applied use of composites in optical systems. This paper is meant for the interested reader in design of optical elements and support structures, and how composites may be used in both scenarios.

Scroll to Top