Scientific Laboratory Instruments, Optics, and Photonics

An ultraviolet-visible spectrophotometer can measure the wavelength of light near UV and near Infrared range i.e. from 190 nm to 1100 nm. It is used in the quantitative determination of concentrations of the absorber in the solutions of transition metal ions and highly conjugated organic compounds. The UV/VIS spectrophotometer has a different specific sample cell (sample chamber), and cuvette (sample tube) and also have different types of light sources. The different light sources that are used in spectrophotometer are deuterium light source, halogen light source, deuterium-halogen light source , xenon light source, tungsten light source. Today the spectrophotometer comes with different light sources that change its wavelength automatically for optimized and interruption-free operation. The choice of a light source in the spectrophotometer depends on various factors. The desirable features for light sources are: •     Uniform light output over a specified w...

What is Calibration? Calibration is a process intimately associated with analytical balances. It determines the relationship between the displayed value and true mass by comparing their value with the known mass. It helps in determining the accuracy of an analytical balance or precision scale. Calibration is essential as it validates the precision of the weighing measurements. It also increases the longevity of the weighing scale and helps in producing valid data during rigorous testing. While shopping for calibration weight scale in the United States you come across the internal calibration and external calibration scale option. It is quite challenging to choose between two options. To make a smart decision you must have a complete knowledge of each type, the difference between them and their pros and cons. Read the following information and choose the calibration weight option in the United States smartly External Calibration External calibration is the...

The laser is an amazing substance that is known for its high luminosity (billion times of that of the sun). It has incomparable collimation. The great power of laser has a tendency to melt even the hardest substance. For this reason, it has wide application in manufacturing, life as well as scientific research. A laser device is equipment that generates the laser. On the basis of working substances, laser devices are •     Gas laser •     Solid laser •     Liquid laser •     Semi-conductor laser Laser Optics is used in wide range of laser instrumentation or laser applications. It uses different substrates like laser crystal. Laser crystal optics provides superior performance at specific laser wavelength or over the range of wavelengths. The Distinctiveness of Laser Crystal Laser crystal has a unique composition and is doped with other ions like transition rare earth ions or transition metal ions. ...

A mirror substrate is the basic component of laser optics.   There are a few factors that determine the price and quality of mirror substrate like its material, a shape of substrate, size, tolerance and polishing quality. The good quality mirror substrate has following features: •          It should have flat and smooth surface. The flatness of mirror substrate is defined by the number of a wavelength of light that the surface can deviate from being the perfect plane. The number of the scratches and digs on substrate surface after polishing defines the smoothness of substrate. The best quality mirror substrate is the one that has a scratch specification of 20/10. •          It should be made of a material that is free of absorption for all wavelength of high transmission.     •          It should have high thermal conductivity. G...

Our multi-wavelength fiber-coupled LED source, work in continuous, pulse and external trigger mode. The light source used is a high-quality lamp. It is efficient in heat treatment and reliable circuit designs. Also, the light source employs fan that dissipates the heat. The apparatus is able to maintain a stable output light power. The high-intensity continuous light in continuous mode and pulsed light with adjustable frequency in pulse mode supports 0 to 100% continuous linear regulation of output light intensity . You can control the working frequency, intensity ratio, and duty cycle in external trigger mode using the USB interface. Features of Fiber-Coupled LED Source • Multi-wavelength ranging from 350 to 800 nm. • Stable output light power • Continuous or pulse output, with adjustable frequency and intensity • Uses USB interface for external trigger • Compact design • High reliability Benefits of our Fiber-Coupled LED Source • Our fiber coupled ...

Collimating is the process of aligning light or particles in a parallel fashion accurately. Collimating Lens Thorlabs Collimating lens Thorlabs is an optical lens that makes the passage of light parallel to each other when it passes through it. It helps the user to control the field of view, collection efficiency, and spatial resolution of the setup. It also helps in configuring illumination and to determine the angles for sampling. Uses of Collimating Lens ·          It is useful to measure the displays like color analysis, white point adjustment, flicker, response time gamma etc. ·          It can also be used in lighting measurement applications and is used to study the related parameters like spectral power distribution, color, and flicker. ·       It provides a stable and repeatable result as when it gets attached to spectrophotometer or other light s...

If you are biotechnologist, pharmacist or working in any other industry that requires working on scale, then before using it makes sure that it is calibrated to ensure correct measurement of your product. Calibration is the process of testing the scale and to ensure the level of accuracy as per your requirement.   If you are working in a laboratory, then measurement plays an important role in the outcome of your result. A wrong calibration could significantly affect your process. On the other hand, if you carry out a business that involves processing and manufacturing then a wrong measurement could change your product quality, scrapped batches, or even a product recall. Therefore, it is better to choose the best quality weighing balance for C alibration weight in the United States . Different Test to Perform While Calibrating Loads in Weighing Instruments You can check the calibration accuracy of weighing instrument by following the subsequent steps: •  ...