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43 equipment items found
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 275D is a dedicated double grating monochromator providing additive or subtractive dispersion. The 275D compact housing contains the scanning mechanism and mechanical linkage of one precision wavelength sine drive for two gratings. Wavelength control is via the 789A-3 digital scan control with a single motor.The optically and mechanically coupled modified Seya-Namioka systems are ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 303 is a 250mm focal length f/4 prism monochromator with good throughput. It is built like a Czerny-Turner and uses a prism in Littrow configuration for refraction. Prisms do not have multiple orders like diffraction gratings and are capable of very low dispersion. The 303 monochromator used with slits works as a tunable filter, or cut filter for UV-Raman applications. Used with a wide ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The 2035 is a 350mm focal length asymmetric Czerny-Turner monochromator with f/4.8 aperture. It has 0.05nm fwhm spectral resolution with 1200g/mm grating. Its precision slits are micrometer adjustable from 0.01 to 4 mm. The 2035 features a wavelength counter, and manually operable sine drive providing years of accurate and reproducible wavelength positioning. The scan controller provides ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 2035 focal length is 350-mm and the double spectrometer can be configured for additive/dual dispersion or non-additive / subtractive dispersion. Optically and mechanically coupled Czerny-Turner spectrometers are equipped with choice of ruled or holographic gratings to suit the application. Spectrally agile, the model 2035D features an all first surface optical system (Al+MgF2 coatings) ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The one-meter focal length Model 248/310 is a grazing incidence monochromator built in the Rowland circle configuration. It is a compact and versatile instrument useful from one to 310 nanometers and best for wavelengths shorter than 100 nm (greater than 12 eV). Grazing angles improve reflective efficiency. Moving the exit slit or other detector along the Rowland circle, a circle with Diameter ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
McPherson Model 251MX aberration corrected flat field spectrometer uses spherical substrate gratings with aspheric wave-front recording for an aberration corrected, high resolution spectrometer working through the soft x-ray region. Ideal for soft x-ray, extreme UV (EUV) and vacuum ultraviolet analysis. The long focal length and straight spectral lines provide excellent spectral resolution. High ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Off-Plane X-ray Czerny Turner (OP XCT) spectrometer design is for extreme and vacuum ultraviolet wavelengths, ~8 to 125nm (10 to 150eV). It is a monochromator with point to point imaging for high harmonic laser generation experiments like photoemission spectroscopy, pump probe ARPES. It has fixed entrance and exit slit positions. The grazing incidence off-plane optical system is very ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The 1-meter focal length Model 2061 provides the traditional blend of throughput and spectral resolution. These instruments are staples of laboratory and experimental spectroscopy. We offer this unit with an f/7 aperture ratio in two versions. The most popular uses spherical optics. An "A" version is also available. It uses hand polished master off-axis parabolic optics to best image small ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
McPherson, Inc. Research Grade Czerny-Turner Monochromators are available in many different focal lengths and with many different options. Chances are good that we have one just right for your application. Models ranging from 0.67-m to 2-meter focal lengths share a wealth of features. Used in air the spectral range of these instruments extends from 185-nm to 78-µm, and with vacuum down to ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The 225 1m normal incidence monochromator (NIM) has 15° between entrance and exit slits. This design is also known as the McPherson 15°. Our Normal Incidence Monochromators have been built in focal lengths from 1 to 10.6 meters. They set and transfer standards for national metrology labs around the world. NIST (USA) uses a 2 meter version and the Physikalische Technische Bundesanstalt ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 789A-4 scan controller is a high resolution stepper system for control and drive of McPherson spectrometers. Easy to program and operate, this scanning system precisely positions gratings or other devices requiring accurate ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 792 multi-motor controller provides the user with a low cost and easy to operate high resolution scanning system to operate up to four stepper motor driven devices. All scanning performed via RS232 interface using McPherson Spectrometer Control software or your ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 425 Channel Electron Multiplier is a windowless, solar blind detector for operation in the 1 to 180 nanometer region. It is encased in a vacuum tight housing for vacuum operation. The Model 425 is ideal for measurements in the Extreme and Vacuum UV (EUV and VUV) where the solar blind feature eliminates potential interference from long wavelength ultraviolet and visible light. It may be ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
Operating in the Soft X-ray Extreme UV or Vacuum UV requires specialized detection systems. Difficulties with conventional detection schemes in this wavelength range include window transmittance, vacuum sealing and photocathode materials sensitivity. In order to operate a multichannel or array based detection system in the vacuum ultraviolet, one method is to use an open, windowless microchannel ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The photomultiplier tube (PMT) is among the most popular photosensitive devices. Various tube types and scintillator treatments permit use of these detectors from the Extreme Vacuum Ultraviolet (EUV) through the Visible and into the near Infrared. They provide large photosensitive areas, secondary emission multiplication (high gain), low dark noise and fast time response. Photomultipliers are ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
Silicon photodiode detector is Nitrided, has response from visible region to more than 1000eV, and has 10x10mm sensitive area. Vacuum ultraviolet Silicon diode detector assembly is complete with isolated BNC coaxial connector in ISO NW40-KF mounting flange. Assembly features flange fitting McPherson slit assemblies with five inch outer diameter and clearance holes for 1/4-20 thread, 6 places on ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
We do not have a wafer fab or foundry for making CCD sensors at McPherson. We buy these cameras. A CCD array detector can speed up data acquisition of spectra – collecting a whole spectrum in the time scanning acquires one point. Direct detection CCD sensitivity is better in the soft x-ray, extreme and vacuum ultraviolet (response graph below). CCDs enable rapid data collection, imaging ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The photomultiplier tube (PMT) is among the most popular photosensitive devices in use today. Various tube types and treatments permit use of these detectors from the Extreme Vacuum Ultraviolet (EUV) through the Visible and into the near Infra-Red. Featuring large photosensitive areas, secondary emission multiplication, low dark noise and fast time response - photomultipliers are ideal for a ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The new Model 671MX preamplifier is a stable low noise tool for converting Silicon photodiode current to an output voltage. Features an integral socket to mount a McPherson VUV photodiode. Ideal for detection of UV, EUV and x-ray (wavelength range 1100 nm to .124 nm, energy range 1.13 eV to 1 keV) ...
Manufactured by:McPherson based inChelmsford, MASSACHUSETTS (USA)
The Model 789A-4 scan controller is a high resolution stepper system for control and drive of McPherson spectrometers. Easy to program and operate, this scanning system precisely positions gratings or other devices requiring accurate control. Simple scanning! The 789A-4 drive controller includes auto-direction setup. Just connect it to a suitably equipped monochromator; There are fault indicator ...