Cathodoluminescence imaging on quartz in sandstone

How does an imaging facility benefit from fast imaging?

Posted by Job Fermie on Mar 18, 2020 11:00:00 AM

One of the struggles of imaging facilities today is managing a large number of research projects simultaneously. With limited imaging resources, providing every project stakeholder with the data needed to answer their research question becomes a heavy task and can lead to a backlog of projects. Facility operators may feel pressured, and projects may be turned down due to a lack of available resources or time. The situation is further complicated by a growing need in the research community to image larger and more intricate samples, such as whole organs or bulk tissue. So, what types of projects require a lot of time in imaging facilities, and how does a fast imaging solution help them out?

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How to perform lifetime imaging using time-resolved cathodoluminescence?

Posted by Delmic on Mar 12, 2020 2:00:00 PM

What is time-resolved cathodoluminescence? How can performing lifetime mapping or a g(2) mapping add value to your research? In the video below Toon Coenen, product manager at Delmic, gives an explanation of this imaging technique and its applications.

 

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What are the optimal imaging conditions for cathodoluminescence?

Posted by Delmic on Feb 26, 2020 10:43:00 AM

Understanding the effects of the SEM parameters on generating (incoherent) cathodoluminescence(CL) is essential for obtaining high quality CL intensity maps and spectra from various materials. The spatial extent of the electron beam is particularly important when one is seeking to study particular features in a material. So how can you set up optimal imaging conditions for your experiments? 

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How can cathodoluminescence imaging modes enhance your research in 6 ways?

Posted by Delmic on Feb 19, 2020 12:30:00 AM

Cathodoluminescence is a great tool for obtaining valuable information about the properties of a sample, which can empower researchers and developers with a better understanding of possible defects, efficiency of the material and other properties. 

The SPARC cathodoluminescence detector has 6 imaging modes which can enhance your research and provide you with an important information about your samples. Keep reading if you would like to know what exactly the SPARC can benefit your research!

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Overcoming the challenges of large-scale electron microscopy

Posted by Job Fermie on Feb 17, 2020 11:14:49 AM

For decades, electron microscopes have proven to be great tools for resolving structures at a nanometer scale. Electron microscopy (EM) is increasingly being used in large-scale biological projects, either for volume imaging or large area mapping. In both cases, the desire to resolve nanoscale details is combined with the desire to place these observations into a larger context, which can cover a large area or span through a three-dimensional volume. Thanks to increased automation and image processing efforts, these large-scale imaging projects are now feasible. Information from these projects has already proven highly beneficial for a variety of research fields, including developmental and cell biology, neurosciences and pathology [1, 2, 3].

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How to image the beta cells in the islets of Langerhans fast and clearly?

Posted by Delmic on Jan 22, 2020 1:34:11 PM

Over the past decades, researchers have been dedicated to studying the beta cells in the islets of Langerhans in order to better understand Diabetes Type 1, one of the two widely spread forms of diabetes. Diabetes Type 1 is considered to be one of the most inheritable common diseases [1] and it is estimated that 9% of the population is affected by this life-threatening disease [2]. Despite the intensive research efforts over the past years, the exact causes of the disease are still unknown.

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What is the difference between cathodoluminescence and other SEM techniques?

Posted by Delmic on Jan 9, 2020 12:45:00 PM

  • What are the most common SEM techniques for studying materials?

  • What kind of data can you get with these techniques?

  • What makes cathodoluminescence (CL) different from other SEM techniques?

  • 5 advantages of CL imaging

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How does cathodoluminescence for measuring photovoltaic materials work?

Posted by Delmic on Dec 10, 2019 1:30:00 PM

Are you interested in the possibilities of cathodoluminescence (CL) for photovoltaics (PV)? Are you eager to figure out how CL imaging works to measure and analyze thin-film solar cells and and other photovoltaic materials? For those who didn’t manage to join the webinar Cathodoluminescence for photovoltaics last month, the recording of this webinar is now available for you!

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Sample preparation for cathodoluminescence imaging

Posted by Delmic on Nov 19, 2019 10:30:00 AM

Cathodoluminescence is a specific form of luminescence caused by‘free’ electrons(or simply electron propagating through space). Cathodoluminescence can be generated in the material when an electron beam interacts with it. The technique has proven to be a probeless and contactless inspection with a broad spectral range. 

But what are the necessary preparation steps that are needed to perform cathodoluminescence imaging? The sample preparation procedure is not difficult. Here are the steps that you would need to take.

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Imaging biological specimens with correlative cathodoluminescence electron microscopy

Posted by Delmic on Oct 14, 2019 3:00:00 PM

Understanding of relationships between structure and function in biological specimen strongly depends on the imaging method. Achieving the proper balance between luminescence and high contrast to simultaneously study specific proteins but also to acquire ultrastructural information is one of the challenges of bioimaging. 

Correlative light and electron microscopy (CLEM) is an imaging technique for optoelectronic investigation of structure-function relationships at the nanoscale, which has gained importance in recent years. However, the strong mismatch between optical and electron imaging resolutions is still a limiting factor for CLEM. 

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Thoughts on the various applications, techniques, and complications to be discovered in the fascinating fields of both cathodoluminescence and correlative light and electron microscopy.

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