326 terms
Photonics Dictionary
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pmpicometer
PMpolarization modulation; phase modulation; photomultiplier
PM-LCDpassive-matrix liquid crystal display
PMCprogrammable motion controller
PMDphysical media-dependent; polarization mode dispersion
PMDCpolarization mode dispersion compensator
PMFpolarization-maintaining fiber
PMMApolymethyl methacrylate
PMOLEDpassive-matrix organic light-emitting diode
PMRphase-modulating receptacle
PMTphotomultiplier tube
chemical vapor deposition equipmentChemical vapor deposition (CVD) equipment refers to a class of specialized apparatus used in the process of chemical vapor deposition, a technique for depositing thin films of various materials onto...
cleaning equipmentIn optics, degreasers or ultrasonic arrangements used for removing pitch, cement or polishing material from lenses during manufacture. It also may refer to manual cleaning devices used immediately...
color perception test equipmentEquipment for testing an observer's color vision. Some tests require the identification or ordering of colored samples. The commercially available examples include: the Ishihara plates, on which...
CPMcolliding pulse mode
cpmcycles per minute
DPPMdynamic pulse position modulation
electrolytic developmentDeveloping a photographic image by means of an applied electric field. The methods used include electrolysis and photoconductive systems.
epitaxial equipmentEpitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of crystalline layers on a substrate material. Epitaxial growth is a critical...
FPMfine pointing mechanism
image enhancing equipmentComplex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the electrical signal being modified electronically before being recorded on...
image-enhancing equipmentComplex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the electrical signal being modified electronically before being re-recorded on...
lens testing equipmentLens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance, quality, and characteristics of lenses. These instruments are essential for...
microfilm equipmentTwo essential pieces of equipment used in connection with the microfilming process: a camera capable of producing, on film, large-scale reductions of almost any matter, printed, painted or...
modulation transfer function analysis/measurement equipmentMTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer function (MTF) of optical systems. The MTF is a quantitative measure of the...
NAPMNational Association of Photographic Manufacturers
NCPMnoncritical phase matching
OPMoptical performance monitor
Photoelastic equipment and suppliesPhotoelastic equipment and supplies refer to instruments and materials used in photoelasticity, a technique used to analyze stress distribution and behavior in materials.
photoelastic equipment...
photogrammetric equipmentThe special cameras, film and other means for forming maps by aerial photography.
photometric equipmentPhotocells of various kinds used to measure photometric quantities; i.e., intensity, luminance and illuminance. Meter readings are used to express illuminance and, by calibration, to measure...
ppmpulses per minute; parts per million
PPMpulse position modulation
QPMquaternary pulse modulation
rpmrevolutions per minute
RSPMrandom spatial phase modulator
simultaneous exposure and developmentThe process, used with a positive photoresist, in which the photoresist is immersed in developing chemicals while being exposed to the optical pattern. The newly exposed surface is continuously...
spectrochemical equipmentEquipment used for chemical analysis by investigation of the spectra formed and observed in chemical activity. Of particular use are spectrographs for recording the emission spectra of substances...
spectrogrammetric reading equipmentSpectra can be conveniently recorded on photographic film or plates. The portions that are occupied by regions of the recorded developed images on the film or plate can be determined with some...
SPMscanning probe microscopy
sputtering equipmentSputtering equipment is machinery used in the process of physical vapor deposition (PVD), specifically sputtering. Sputtering is a method of depositing thin films of material onto a substrate surface...
strain measuring equipment -> photoelasticityThe process of determining, with the aid of plane-polarized light, the stress distribution in materials under complex systems of loading.
thin-film deposition equipmentThin-film deposition equipment refers to machinery and tools used in the process of depositing thin layers of material onto a substrate surface. This technique is commonly employed in various...
ultrasonic cleaning equipmentUltrasound used in the cleaning of metal and optical parts by virtue of its vibration rates. Large acoustic forces break off particles and contaminants from surfaces.
XRPMx-ray projection microscope
colliding pulse modelocked ring laserA ring dye laser that uses prisms and a saturable absorber within the laser cavity to shape and shorten the pulses generated. Counterpropagating modes oscillating simultaneously in the ring...
Farnsworth-Munsell test -> color perception test equipmentEquipment for testing an observer's color vision. Some tests require the identification or ordering of colored samples. The commercially available examples include: the Ishihara plates, on which...
Ishihara test -> color perception test equipmentEquipment for testing an observer's color vision. Some tests require the identification or ordering of colored samples. The commercially available examples include: the Ishihara plates, on which...
Nagel anomaloscope -> color perception test equipmentEquipment for testing an observer's color vision. Some tests require the identification or ordering of colored samples. The commercially available examples include: the Ishihara plates, on which...
passive-matrix liquid crystal displayAn LCD that has pixels with no internal drive transistors.
Photonics Dictionary