PrismMaster®
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PrismMaster® The ultimate tool for angle measurements

GENERAL DESCRIPTION The PrismMaster® is widely recognized as the most accurate and most versatile line of equipment for measurement of prisms, polygons, wedges, windows and other plane optical components. Not only that the PrismMaster® equipment line establishes a new standard for accuracy and reliability but it also offers the industry’s largest selection of instruments and accessories. The PrismMaster® system includes three basic lines of equipment: These instruments feature accurate and absolute measurements of prisms angles from 0° to 360°either in reflection or in transmission. It...

PrismMaster®-MOT Series These instruments are equipped with ultra precision drive for fully automated measurement of optical components. PrismMaster®-Accuracy Class includes instruments with rotary encoder with an accuracy of 0.5 arcsec and resolution of 0.36 arcsec. PrismMaster® HR –Ultra Accuracy Class includes a specially selected encoder having a resolution of 0.036arcsec and total systematic error of less than 0.2arcsec. This instrumentation line is an absolute angle measuring instrument as well. However, it is equipped with a precision mechanical rotary table. Dimensions of the rotary...

The Comparison Line includes precision angle measurement instruments –also known as Comparison Goniometers - primarily used to measure prisms and other plano optical components in production environment. These instruments can measure any angles, however, using a reference prism with a known angle. The first reference measurement is done using the master prism. Further measurements are made relatively to the angle of the master prisms. The results are given as a difference to the master prism or as absolute value of the measured angle. An exception are the 90°- prisms angles which can be...

SYSTEM COMPONENTS Precision Rotary Table The absolute goniometers included in the PrismMaster® product line are equipped with either a precision mechanical rotary table or with an ultra-accurate air bearing rotary table. The precision mechanical tables with axial and radial run out errors of 1-2 ìm are recommended for applications where the accuracy required is less than 2 arcsec. For applications where ultra-accurate measurements in sub-arcsec range are required, only the air bearing tables with axial and radial run out under 0.05ìm are recommended. Rotary Encoder The rotary encoders are...

positioning of the rotary table. The software features automated zero positioning, constant or variable measurement steps, selectable rotation speed, multiple measurements etc. Attachment for Measurement in Transmission Mode The normal operation mode of the Prism- Master® is the Measurement in Reflection Mode of the outer angles of prisms, polygons, wedges, etc. This is by far the most important application related to angle measurement of plano optics. However, there is an need to measure the deflection angle through prisms or wedges. This parameter known also as angle of deviation is the...

mator to send the beam through the refracting prism. The use of the mirror is advantageous since this set up has a double sensitivity. However, for other applications the use of a collimator is the preferred choice. Accessories for Measurement of Pyramidal Errors Especially the PrismMaster®-Absolute Line provides outstanding capabilities for measurement of pyramidal errors with unsurpassed accuracy. The air bearing rotary table with axial run out errors under 0.05ìm and the innovative software compensating for alignment errors set a new standard for performance in pyramidal errors...

For the fully automated measurement of prisms and polygons, a set up table allows the operator to establish the measurement sequence, the number of angles to be measured and the speed of the measurement. The software lets the operator customize and automate the measurement process and save the process data for further use. The operator handles most of the tasks with the easy to use interface. Many options can be activated in order to adapt the measuring procedure to the sample properties, so that even sample with anti-reflex coating, very small components or other difficult sample can be...

Operating Principle 9 repeating the measurement several times and calculating the main value, however, this is inefficient and dependent on the ability and the degree of tiredness of the operator. Measurement in reflection mode The measurement starts using the mouse or pressing a PCkey. The position of the autocollimator reticle and of the rotary encoder is automatically recorded. Following up the angle indication on the digital display, the table is rotated until the reflected image on the second surface of the prism appears on the monitor within the range area. This range area is...

• it enables the measurement of small or anti-reflex coated samples since the HRCCD is able to process weak images • double measurement sensitivity in transmission mode • dramatically improved accuracy for pyramidal error due to the extremely small axial run out of the air bearing (0.05 ìm) • advanced software under WINDOWS® platform with full capabilities to store, export, print out the data and produce measurement ADVANTAGES • extremely quick and easy measurement procedure since the sample does not need to be perfectly square to the autocollimator axis • significantly increased accuracy...

Ordering Information 11 SPECIFICATION Instrument • Measuring range : • Diameter of the tilt table • Measurement mode: • Software runs under • Programms language: • System requirements: Air bearing • Air bearing axial run out • Air bearing radial run out • Diameter: • Air consum: Autocollimator: • EFL • Free aperture : • HR-CCD 0-360° 200mm Reflection and Transmission Mode Windows® Platform Free selectable in German and English Pentium IV with PCI bus, 128MB 0.05ìm 0.05ìm 200mm 35 l/min 500mm 50mm 1/3” or 1/2” RESOLUTION AND ACCURACY • Rotary encoder resolution • Rotary encoder absolute...