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2024年6月2日发(作者：白寒梦)

PS-100 Polarimeter / Polariscope Systems

FOR OBSERVATION AND MEASUREMENT OF RESIDUAL STRESS AND

Bulletin PS-0817

BIREFRINGENCE

The PS-100 polarimeter is available in numerous

models. Each can be easily adapted with accessories

and special components to suit almost any application

(see next page for pictures of typical configurations).

PS-100-BS - the basic system, comprising a polarized

illuminator with a 7.5 in x 7.5 in (190 mm x 190 mm)

sample stage, Senarmont analyzer mounted on a 12”

(300 mm) heavy-duty post, fluorescent tube light source

and vertical light path. Plane polarization only.

PS-100-SF – Same as PS-100-BS, but with both plane

and circular polarization and swing-out accessory mount

for holding compensators or tint plates. (Pictured above)

PS-100-1011 – Analyzer is separate and mounted on a

tripod for heavy or large samples. Illuminator field of

view is 10 in x 11 in (254 mm x 280 mm) Horizontal light

path. Available with either plane or circular polarization.

PS-100-LF – Same as above, but with illuminator field of

view of 16 in x 20 in (400 mm x 500 mm). Circular

polarization only.

Visit for a complete product listing.

The PS-100 product line is modular to suit a wide variety

of applications in evaluating residual stress, strain and

birefringence in transparent and translucent materials.

Uses range from simple inspection and interpretation of

photoelastic colors to precise quantitative measurements

using analyzer rotation or compensation techniques.

 Verify annealing state of glass or plastic

containers, tubing, lenses, lamps, etc.

 Measure optical retardation in order to calculate

stress or birefringence using plane or circular

polarization

 Study distribution and magnitude of compressive

and tensile stresses in float glass, glass seals,

quartz, and advanced materials, as well as in

molded and sheet plastics

 Comply with worldwide polarimetry standards

and test methods, including ASTM C148, F218,

and D4093

PS-100 Polarimeters may be fitted with:

• Single-wedge (Babinet) or double-wedge

(Babinet-Soleil) compensators

• A full-wave tint plate or monochromatic filter

• Microscopes with rack-and-pinion mounting and choice

of magnification options

• Industrial CCD cameras with macro-video zoom lenses

for displaying magnified high-resolution images on LCD

monitors, either stand-alone or via IEEE 1394 to PC

• A high-intensity, regulated DC fiberoptic light source,

adjustable from 0-150 W

• Vibration-dampening “boom stands” for samples under

high magnification and cantilevered designs for out-

sized samples

• Strainoptics’ DIAS-1600 Digital Image Analysis System

for automatic measurement of low-order stress and

birefringence

• Custom fixturing & immersion cells for special

geometries

PS-100 Polarimeter / Polariscope Systems

Typical Configurations

PS-100-DIGIVIDEO with USB digital

camera, 6:1 zoom lens, SA-100 analyzer,

and imaging software. Also shown at right

are software-configured PC, an SWF-100-

LP wavelength filter, and a DWC-100

Babinet Soleil compensator (sold

separately).

PS-100-BS, Plane Polarization

PS-100-LF, Horizontal Light Path

Plane Polarization Only

PS-100-SF, Plane & Circular PS-100-1011, Horizontal Light Path

Polarization (convertible) Plane or Circular Polarization (not both)

PS-100-MW Polarizing Microscope DIAS-1600 Digital Stress Analyzer w/

with Single-Wedge Compensator PS-100 Polarimeter & PC. PC loaded

And 70mm diameter sample stage with video frame grabber & IA software.

PS-100 Components and Accessories

Analyzers

With the exception of the PS-100-MW system (which features a fixed

analyzer/compensator design), Strainoptics polarimeters are equipped with a 115 mm

diameter, rotatable analyzer and precision quarter-wave plate, enabling measurement

using the “Analyzer Rotation” Method of stress measurement. The PS-100-BS models

(plane polarization) are supplied with an A-100 analyzer with a fixed quarter-wave plate.

The PS-100-SF models are supplied with an SA-100 analyzer with a two-position

quarter-wave plate that allows for analyzer rotation measurements using either plane

(Senarmont) or circular (Tardy) polarization.

A dual-scale dial offers a fractional fringe readout, graduated in 0.01 increments in addition to rotation angle (+90 to –90).

Measurement sensitivity is +/-5 nm of optical retardation.

Compensators

A compensator is a measuring device providing direct quantitative readout of stress birefringence. Placed in series with

the observed item, it adds an equal retardation of opposite sign to the specimen. This nulls the retardation causing a zero

order (black) fringe to appear at the point of measurement, at which time a reading can be taken from the compensator’s

calibrated scale or dial readout. This reading can then be used to easily calculate the optical retardation at the

measurement point. Compensators may also be used to identify the nature (tensile or compressive) and the direction of

stresses in the specimen. A calibration certificate is included with every compensator.

The Model LWC-100 is a single-wedge (Babinet), variable-field compensator

(0-2500 nm) that may be handheld or inserted into the Accessory Mount option on

the PS-100 polarimeter (Accessory mount is standard on the Model PS-100-SF.)

Sensitivity: 10 nm.

The Model DWC-100 is a double-wedge (Babinet Soleil) compensator

with a dial readout that features a uniform field of retardation that makes it

ideal for applications with high stress gradients. Requires Accessory

Mount. Standard range 2500 nm; with optional range extender: 5000 nm.

Sensitivity: 5 nm.

The Model MWA-100 is a single-wedge (Babinet), variable-field compensator that is most

often used with a polarizing microscope (PS-100-MW) for measurement of edge stresses

and laminar stresses (surface compression and mid-plane tension) in glass.

Sensitivity: 5 nm. Model MWA-100-HS is available for applications requiring higher

sensitivity (3-4 nm).

Accessories

There are many accessories available for the PS-100 line of polarimeters, ranging from

monochromatic filters (pictured at left) and full-wave tint plates to microscopes, micrometer

stages, and camera adapters. See for a complete listing.

Strainoptics’ engineers are always

Optional SWF-100-LP

“Swing-Out” Filter

available to discuss your specific

application in order to design a

system that is perfect for you.

Calibration and Certification

Each PS-100 polarimeter is factory calibrated and comes with a certificate of

traceable calibration according to ASTM Procedure C1426. Strainoptics

offers annual or periodic recalibration services as required. A certified CAL-

GAGE reference standard is also available to enable customers to self-

certify their instrument.

Testing and Training Services

Surface stress, edge stress, and other laboratory residual stress testing

services are available from Strainoptics using equipment and test methods in

accordance with ASTM and NIST standards. Strainoptics also provides

training programs free to customers at our facility in North Wales, PA, or on a

fee basis at a customer’s location.

Other Strainoptics Products

In addition to the PS-100 polarimeters, Strainoptics manufactures a complete range of manually operated and

PC-based instrumentation. These include on-line stress scanners for float glass production, GASP

surface

stress polarimeters, visual and automatic edge stress meters, specialized instruments for measuring stress

and light transmission in automotive glass, roller wave gauges for measuring reflective distortion in

architectural tempered glass, and simple strain viewers (polariscopes) for visual inspection using photoelastic

evaluation. Custom inquiries are always welcome. For more information, please visit our website or call.

GES-100 Edge Stress Meter

GASP Polarimeter

RWG Roller-Wave Gauges

UV Lamps

SCA1500 Float Line Stress Scanner

VRP-100 Reflective Polarimeter

PES-100 Edge Stress

Measurement System

Strainoptics  108 W. Montgomery Ave.  North Wales, PA 19454 USA

TEL: 215.661.0100 *********************** 