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  • How to choose the right microscopic technique?

    Light Analysis

    Microscopic is drastically changing in recent years. While there is a wide range of microscopic techniques available, you may need to consider what type of microscopic technique is more relevant to your biological problem. We provide a general guideline to choose your right micro...

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  • Guideline for choosing microscopy technique based on the sample and thickness.

    In a conventional epifluorescence microscope emitted light from the sample collected by the objective and projected on tube lens by the camera. The fundamental problem of convectional microscopy is out of focus fluorescence that comes from other regions of the sample. That light ...

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  • Three techniques to apply photon correlation

    Light Analysis

    You might be creating powerful technology in a commercial environment – or pushing boundaries in quantum communication, computing or optics through your research. If you are using photon correlation in your work, to check particle sizing, quantum key distribution or signal to noi...

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  • What is the advantage of Slit-less Technology in Spectrometer

    Light Analysis

    Slit-less Technology in SpectrometerDirect imaging of the sourceIn contrast to conventional devices the innovative XUV / VUV spectrometers by HP do not require a narrowentranceaperture but rather image the harmonic source directly onto the detector. Thus 80% or more of theincomin...

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  • Hyperspectral Imaging for Agricultural Applications

    Light Analysis

    +Hyperspectral Imaging +PCA PlotBackgroundHyperspectral Imaging produces a wealth of information when used in surveillance, quality checks and sample studies. When adopted with a range of statistical processes, the spectral information collected can assist with sorting, identifca...

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  • High Photon Detection Efficiency Systems at Telecom (NIR) Wavelengths

    Light Analysis

    +ID281 Superconducting Nanowire Single Photon Detector+SNSPD+Infrared Photon Detection +Quantum InformationBackgroundAs interests inQuantum CommunicationandQuantum Informationhas increased, so to has the demand forhigh efficency single photon detection systems.High efficiency sys...

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  • A Guide to Spectroscopy: Types of Spectrometers and it's Applications

    Light Analysis

    BackgroundThe controlling factor of spectroscopy solutions is the range of electromagnetic spectrum being analyzed. Different portions of the electromagnetic spectrum faces different challenges optically – leading to a wide range of devices based on the application of the process...

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  • laser crystal Selection Guide, how to choose the most suitable crystal for your application?

    Optics

    Guidelines on picking the suitable crystalContact Us | Product Catalogue | Technical Specialist: Majid (MathewPF@Simtrum.com)Looking for a unique or small quanitiy of crystals? We provide limited sourcing services and arrangements for orders without MOQ:Contact us.Factors to cons...

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  • Jablonski Energy Diagram

    Light Analysis

    Jablonski Energy DiagramAbove bandgap photoexcitation of semiconductors generates electron-hole pairs. Depending on their binding energy, these can be directly formed as free electrons in conduction band and holes in valence band (the case of most bulk inorganic semiconductors); ...

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  • Luminescence

    Light Analysis

    Figure 1 shows the Jablonski diagram of singlet, triplet exciton states with a few vibrational sides. Light absorption with energy above the bandgap excites electrons from lower to higher energy levels. The excited charges tend to quickly relax back down to its lowest vibrational...

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  • Lecture Hall of Optics Components: Fresnel Equation and Mirror

    Optics

    Optical elementMirrors are the most commonly used optical components in optical laboratories and optical instruments. SIMTRUM provides metal mirrors and dielectric film mirrors with low thermal expansion coefficient, high-quality surface accuracy (λ / 10), and high-quality surfac...

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  • Concise Optics

    Optics

    Geometric Optics | SerialAs electromagnetic waves, the properties of light can be described by many physical quantities, such as the amplitude, frequency, phase, and propagation constant of the electric field. The unit of the electric field amplitude is in volts/meter, which indi...

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  • 7 Types of Cutting-Edge Technology of Fiber Laser, How Many Do You Know?

    Lasers/Light

    Fiber lasers were born in the 1960s. With the development of glass fiber materials, the maturation of high-power fiber optic devices, and the commercialization of high-brightness and high-power semiconductor pumping sources, fiber laser technology has been developed rapidly. Nowa...

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  • Understand how polarizer works (polarized optical element)

    Optics

    Polarization of lightPolarization: Asymmetrical directions of vibration and propagation.Transverse wavescan oscillate in different directions because only could the transverse waves polarize. The electric field and the magnetic field of the electromagnetic wave are perpendicular ...

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  • Determination of Optical Properties of Corner Cubes

    Optics

    ZYGO Fizeau interferometerDetermination of optical properties of corner cubesPyramid, also known as (retroreflective mirror), is composed of three perpendicular planes which are perpendicular to each other. Regardless of the incident angle, the incident light is totally reflected...

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  • Polarization Splitting and Energy Splitting, can you distinguish clearly?

    Optics

    With the advancement of science and technology, more and more applications of laser technology are involved in basic research in the fields of biology, medicine, chemistry, and experimental method. However, in practice, the difference between the spectroscopic effect and the appl...

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  • Working Principle and Debugging Skills for Pockels Cell

    Opto-Electronics

    It is well known that after a non-centrosymmetric non-linear birefringent crystal (or optical medium) is applied with a directed electric field, its birefringent optical properties will change with the modulation of the electric field. To remember the famous German scientist Fri...

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  • Design and Debugging and Optical Climbing systems

    Optics

    Abstract: In a common optical path structure, the optical path is often restricted to propagate in the plane, and the optical height (the distance between the axis of the optical path and the optical platform) is generally a certain value. For some more complex optical paths, due...

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  • Optical Lens Tutorial - the different usage of an optical lens

    Optics

    Abstract: The lens is the most commonly used optical element besides the plane mirror. As a transmissive element, its main function is to change the focused (divergent) state of the light beam and then to achieve imaging or beam reduction (expansion). This article focuses on the ...

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  • Design and Debugging of Laser Beam Expansion System

    Imaging

    In the field of laser technology, the spatial size conversion of the laser beam is one of the most conventional operations. If the collimation of the beam is not considered, a single lens can be used to focus and diverge the beam. If you want to get a nearly collimated laser beam...

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  • Different types of Polarizer and how to choose the right Polarizer

    Optics

    In the optical experiment, Polarizer plays a very important role. In the field of traditional laser amplification, Polarizer can be used to form an optical isolation system with a Faraday rotator and can also be used to form an electro-optic switch of a solid-state laser with an ...

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  • Reflector Adjustment Skills - How to use two points to determine a straight line

    Optics

    The focus of this article is the challenges faced with beam alignment. Due to the Covid-19 circuit breaker, weve spent some time out of the lab. As we return back to work, were introducing a tutorial network and online resource for potential students, researchers and lab staff.Ta...

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