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Polarimeter Systems, High Dynamic Range, Free-Space and Fiber-Coupled


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Polarimeter Systems, High Dynamic Range, Free-Space and Fiber-Coupled

Close-Up of the E-Beam Chamber

The PAN5710 External Sensor Head in Four Configurations
From Left to Right: CXY1 XY Translating Lens Mount secured with four ER1.5 Cage Assembly Rods, CRM1 Cage Rotation Mount with four ER1.5 rods, CP02 Cage Plate with the SM1FC SM1-Threaded Fiber Adapter Plate with four ER1.5 rods, and SM fiber with the included fiber collimator.

Click to Enlarge

Features

  • Two Types of Polarimeter Systems Available
    • Fiber-Coupled Polarimeter
      • Internal Sensor Head
      • Fiber-Based Measurement at a Fixed Wavelength Range
    • Free-Space Polarimeter
      • Interchangeable External Sensor Head
      • Free-Space and Fiber-Based Measurements Possible
      • Easy Integration into Optical Setups
  • Four Wavelength Ranges
    • 400 - 700 nm
    • 700 - 1000 nm
    • 1000 - 1350 nm
    • 1300 - 1700 nm
  • External Exchangeable Measurement Heads
  • High Dynamic Range of 70 dB
  • Rotating Wave Plate Based
  • Sampling Rate up to 333 Samples/s
  • Excellent Accuracy
  • Preconfigured Laptop PC and Fiber Collimator Included

Applications

  • Free Space and In-Fiber Polarimetry
  • Degree of Polarization (DOP) Measurements
  • Extinction Ratio (ER) Measurements
  • Component for a PDL / PMD Measurement System

Thorlabs' Fiber-Coupled and Free-Space Polarimeters are terminating, wave-plate-based modules for free-space and fiber-based measurements of the state of polarization (SOP). Their high dynamic range of 70 dB, broad wavelength range, and accuracy of ±0.2° on the Poincaré sphere opens a wide spectrum of application possibilities. These polarimeters are available with internal or external sensor heads and are fully compatible with Thorlabs' TXP5000 platform. Each PAX module ships with a preconfigured notebook for out-of-the-box plug & play operation.

All four Stokes values, which fully characterize a SOP, are provided either as analog output voltages or as digital values to the PC. An external trigger function allows synchronization of the PAX5700 Polarimeter with other devices. The PAX5710 offers an external sensor head, which can be used for free-space beams as well as for fiber-coupled measurements. A removable collimation package for a fiber connector input comes with each sensor head. The PAX5720 has an integrated non-removable collimation package for fiber-coupled measurements only.

Based on the Thorlabs TXP5000 Modular Test & Measurement System, the PAX Polarimeters offer additional features like USB and Ethernet ports, 'plug and play' combination with other modules, easy-to-use graphical user interfaces, and flexible configurations via LabVIEW™ and LabWindows/CVI™, which allows the user to write his or her own application.

Each measurement sensor is calibrated at different wavelength points. These base points are interpolated.

Please Note:
The included, preconfigured laptop is intended for sole use with the installed software to enable plug and play out-of-the-box operation. The PC is not specified and the model may change without notice. Thorlabs cannot provide any support for the PC except regarding the operation of this device. If you would prefer a PAX or PAN system without the PC, please contact Tech Support.

Fiber-Coupled Polarimeter Specifications

Item #PAX5720VIS-TPAX5720IR1-TPAX5720IR2-TPAX5720R3-T
Wavelength Range400 - 700 nm700 - 1000 nm1000 - 1350 nm1300 - 1700 nm
Maximum Measurement Rate333 S/s
SOP Accuracy±0.25° on Poincaré Sphere
SOP Resolution0.01° on Poincaré Sphere
DOP Accuracy±0.5%
DOP Resolution0.0001
Dynamic Range-60 to 10 dBm
Width2 TXP Slots
Optical Input ConnectorFC/PC
Warm Up Time for Rated Accuracy<15 min
Analog Interface
(via Front Panel D-Sub)
5 Analog Outputs: s1, s2, s3, DOP, Power
1 Analog Input: Trigger
Digital Interfaces1, s2, s3, Power (Watt/dBm), DOP, Azimuth, Ellipticity
Analog Monitor Output-2.5 to 2.5 V
Operating Temperature Range5 to 40 °C
Storage Temperature Range-40 to 70 °C

Free-Space Polarimeter Specifications

Item #PAX5710VIS-TPAX5710IR1-TPAX5710IR2-TPAX5710R3-T
Wavelength Range400 - 700 nm700 - 1000 nm1000 - 1350 nm1300 - 1700 nm
Maximum Measurement Rate333 S/s
SOP Accuracy±0.25° on Poincaré Sphere
SOP Resolution0.01° on Poincaré Sphere
DOP Accuracy±0.5%
DOP Resolution0.0001
Dynamic Range-60 to 10 dBm
Free Space ApertureØ3 mm
Width1 TXP Slot
Warm Up Time for Rated Accuracy<15 min
Analog Interface
(via Front Panel D-Sub)
5 Analog Outputs: s1, s2, s3, DOP, Power
1 Analog Input: Trigger
Digital Interfaces1, s2, s3, Power (Watt/dBm), DOP, Azimuth, Ellipticity
Analog Monitor Output-2.5 to 2.5 V
Operating Temperature Range5 to 40 °C
Storage Temperature Range-40 to 70 °C

Note: All data are valid at 23 ±5°C and 45 ± 15% relative humidity.

The table below compares key features of our PAX5700 series polarimeters, which are based on rotating wave plates, to our IPM5300 polarimeter, which uses a fiber Bragg grating. For more information on the IPM5300, please see the full web presentation.

Item #PAX5700 SeriesIPM5300
Wavelength Ranges400 - 700 nm
700 - 1000 nm
1000 - 1350 nm
1300 - 1700 nm
1510 - 1640 nm
Power Range1 nW to 10 mW (-60 dBm to 10 dBm),
Depending on Operating Wavelength
1 µW to 32 mW (-30 to 15 dBm)
Dynamic Range70 dBm45 dBm
Accuracy DOP±0.5% Over Wavelength Range±0.25% @ Power = 0 ± 3 dBm
Average Time >1 ms
Accuracy SOP±0.25°
Measurement RateUp to 333 Samples per SecondUp to 1 Megasample per Second
Optical InputPAX5720: FC/PC Connector
PAX5710: External Sensor with Ø3 mm Aperture
FC/APC Connector
Optical OutputNoneFC/APC Connector
Analog Interfacess1, s2, s3, Power, DOP, Trigger
Digital InterfacesCVI/LabVIEW™CVI/LabVIEW™
ApplicationsPolarimetry
Extinction Ratio Measurements on PMF
Expandable to PDL and PMD Measurements
Polarimetry
Expandable to PDL and PMD Measurements
Module TypeTerminating Polarimeter with Fiber-Coupled
or Free-Space Optical Input
In-Line Fiber-Based Polarimeter
Data InterfaceUSB/Ethernet

Software Modules for the PAX Polarimeters

There are two complete software packages available for download below.

Software

Version 2.9

Standard full TXP software packages:
Applications, Drivers, and Firmware.
Compatible with Windows XP and 2000 only.

Software Download

OR

Advanced Beta Version*

Version 3.0.20 (April 5, 2012)

For operation of all PAX series polarimeters under Windows Vista and Windows 7 (32 and 64 bit) including GUI and drivers. This is an updated version of the TXP-software that is compatible with PAX devices only.

Software Updates

*This release candidate software version, which incorporates new features and/or bug fixes as outlined in the change log file on the download page, has been through several rounds of testing and there are currently no significant bugs. Once full testing and documentation is avalable, this version will become the standard software package. In the interim, Thorlabs is making this complete software file available for those customers whose research endeavors would benefit from the updated features.

Computer Connection

USB Type B

USB Type B

USB Type B to Type A Cable Included

Analog Output and Trigger Input

D-Type Female

DB9 Female

PinNameI/OValueFunction
1TriggerI3.3/5 VExternal Trigger-signal (0V=L, 3.3 ... 5 V=H) (for array mode)
2AGND  Analog Ground
3PowerO-2.5 ... +2.5 VOptical Power log. (-70 dBm ... +30 dBm)
4S3O-2.5 ... +2.5 VNormalized Stokes Vector S3 (-1 ... +1)
5S1O-2.5 ... +2.5 VNormalized Stokes Vector S1 (-1 ... +1)
6DGND -2.5 ... +2.5 VDigital ground for Trigger
7Analog InI-2.5 ... +2.5 VAnalog Control signal (not used here)
8DOPO-2.5 ... +2.5 VDegree of Polarization (0 ... 110%)
9S2O-2.5 ... +2.5 VNormalized Stokes Vector S2 (-1 ... +1)

FIber-Coupled Polarimeter (PAX5720-T)

  1. FC/PC Collimation Package to connect a fiber, Nonremovable
  2. TXP 4 Slot Chassis with USB Control (TXP5004)
  3. Preconfigured Laptop with Software & GUI Installed
  4. USB Connection Cable
  5. Software CD ROM
  6. LabVIEW™ and LabWINDOWS™ /CVI Driver Set
  7. Operating Manual

Free-Space Polarimeter (PAX5710-T)

  1. External Sensor Head with 2 m Connection Cable
  2. FC/PC Collimation Package to connect a fiber, Removable
  3. TXP 4 Slot Chassis with USB Control (TXP5004)
  4. Preconfigured Laptop with Software & GUI Installed
  5. USB Connection Cable
  6. Software CD ROM
  7. LabVIEW™ and LabWINDOWS™ /CVI Driver Set
  8. Operating Manual
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Posted Comments:
Poster: roei.yiftah
Posted Date: 2013-02-11 05:28:59.317
i am working with 5004 series polarimeter do i need to calibrate the polarimeter? if so how can i do it
Poster: tschalk
Posted Date: 2013-02-12 02:48:00.0
This is a response from Thomas at Thorlabs. Thank you very much for your inquiry. In normal operation the PAX57xx card does not need any service. For highest precision of the measurement it is recommended to recalibrate the PAX57xx every two years. You can see the due date of calibration in the card info-menu of the card driver to determine the recalibration date. If you want to recalibrate your polarimeter you should contact the technical support of Thorlabs and they will arrange a RMA (return merchandise authorization) for you.
Poster: jvigroux
Posted Date: 2012-11-16 12:57:00.0
A response form Thomas at Thorlabs: The error message "eigenmodes are not strictly linear" appears when the center of the circle is too far away from the equator on the Poincare sphere. This can have several origin, ranging from a poor coupling into the fiber to the fact that the fiber contains any element that transforms the polarization (for instance a piece of non PM fiber). In some cases, some stress can occur in the connector that leads ot a transformation of the SOP within the distance that is stressed. I will contact you directly to help finding out what the origin of this effect can be in your case.
Poster: knottenbelt
Posted Date: 2012-11-15 15:43:36.113
Dear Sir/Madam, I am inquiring about an error message. Can you please tell me the meaning when a error message states" eigenmodes are not strictly linear". Second when an error message appears the values are in yellow. How accurate are they? as compared to green values? Thank you
Poster: jvigroux
Posted Date: 2012-04-12 15:07:00.0
A response form Julien at Thorlabs: Dear Bruno, thank you for your request. It is indeed possible to connect several polarimeter measurement heads to the same polarimeter mainframe. The polarimeter system consists of three different parts: the mainframe (TXP5004), the readout card and the measurement head. Each measurement head needs to be connected to a readout card. The readout card being the same for all wavelengths range, one can simply connect a head having a different wavelength range to the same card. If two or more polarimeters are to be used simultaneously, one will need as many cards as there are measurement heads. The TXP5004 can fit up to four cards. Should you have any furtehr question, please do not hesitate to contact us at techsupport@thorlabs.com
Poster:
Posted Date: 2012-04-12 15:18:03.0
Dear Sir/Madam, I have an additional question, regarding the possibility of using multiple sensor heads with one PAX5710-T polarimeter. The image seems to suggest that it is possible to attach mutltiple sensor heads to one polarimeter; is this indeed the case? Sincerely, Bruno van Albada
Poster: jvigroux
Posted Date: 2012-02-28 13:15:00.0
A response from Julien at Thorlabs: Dear Bruno, thank you for your inquiry! the Stokes parameters are cosine and sine functions of the azymuth and of the ellipticity. This means that the absolute accuracy that is specified for those two angles does not translate linearly to an accuracy for the stokes vector. Rather the measurement error on the Stokes vector will vary with the actual angles measured. As an example, S3 depends only on the ellipticity E and can be written as S3=pIsin(2E) where p is the degree of polarization and I is the intensity. For a real ellipticity of 1°, the measured ellipticity will lie within the interval [0.75°;1.25°]. When one uses the above formula to calculate back S3 for the upper and lower boundaries of this interval, one finds that the error on S3 can be as high as 20%. If the ellipticity is however close to 45°, the error on S3 will be much smaller than 0.1%. The same type of effect will influence the measurement accuracy of S1 and S2. I would be happy to further discuss your application and its requirements in order to estimate to which extent the non linear dependence of the Stokes parameters on the polarization angles can have an influence on your measurement results. Please feel free to contact us at techsupport@thorlabs.com
Poster:
Posted Date: 2012-02-28 07:03:40.0
Dear Sir/Madam, I have a question regarding the accuracy of the polarimeters. This is now stated in terms of degrees on the poincare sphere; could you please tell me what this means in terms of the Stokes parameters(in percentages, if at all possible?) Sincerely, Bruno van Albada
Poster: bdada
Posted Date: 2011-04-26 12:50:00.0
Response from Buki at Thorlabs: Thank you for your feedback. Unfortunately, we have not been able to track your email. We have contacted you directly to ask you to resend the quote to TechSupport@thorlabs.com so we can prepare a quote a for you. We usually respond to inquiries within 24 hrs.
Poster: siyu.wang
Posted Date: 2011-04-26 04:34:52.0
Hello, This is Sanmina-SCI optical technology Shenzhen Ltd. I sent an email to Thorlabs for one calibration quotation for our PAX system on April 22.But I do not get any respond till to today.
Poster: jhartmann
Posted Date: 2011-02-17 13:16:57.0
The limitation of max of 1024 datapoints is given for the scope mode of PAXs graphic user interface and the reason for it is the internal memory size of the polarimeters DSP. This enables to record each acquired data point, even at the highest sampling rate. The downside is the limited memory size. With the current hardware design the memory cannot be extended. However, we have noticed this feature is required and will consider that for future product design.
Poster: carkajou.element
Posted Date: 2011-01-06 10:23:10.0
I, we bought a new Polarimeters "PAX5710IRR3" with the remote head "PAN5710IR3". We are very desapointed to find in the manuel named "Polarization Analysing System PAX5710/5720 VIS/IR1/IR2/IR3" AT PAGE 39, point 5: Number of measurments-specifies the length of the record wich will be collected. The maximum number is 1024. We have 4 old models of polarimeters "PA480" with no limit of points for the aquisition mode. This is very frustrating for us, because 10 000$ of investment is useless. We need 10000 points or more of aquisition for the production line. What is the cause of the limitation: electronics, software??? My telephone number is the (888) 255-9303 ext 4266
Poster: Greg
Posted Date: 2009-02-02 08:37:18.0
A response from Greg at Thorlabs to oguz.celikel: Thank you for your interest in Thorlabs products. One of our Applications Engineers will be in contact with you shortly.
Poster: oguz.celikel
Posted Date: 2009-02-02 03:26:33.0
Dear Sales Responsible of Thorlabs, I need a Fiber Optic Polarimeter operating on (1300 +/- 20 ) nm and (1550 +/- 20) nm. The dynamic range is -60 dBm to 10 dBm is sufficient. As I see, PAX5720IR3-T is suitable. Please send me a formal quotation PAX5720IR3-T (TXP Polarimeter including PC with internal sensor 1350-1700 nm) with FC/PC connector compatible. Additionally, is it possible to extend the wavelentgh span of polarimeter by adding an external 1000-1350 nm sensor module into PAX5720IR3-T? and is it compatible with PAX5720IR3-T including PC software etc.? If it is so, please order a separate quotation for this additional module and send me urgently. Dr. Oguz CELIKEL BS&MS Phy. Eng. / Researcher Fiber Optic Metrology Division of National Metrology Institute of TURKEY TUBITAK UME Address : MAM Kampusu PO Box: 54 41470 Gebze - Kocaeli E-mail : oguz.celikel@ume.tubitak.gov.tr Tel : +90 262 679 50 00 (3354) lab. (3302) office
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Fiber-Coupled Polarimeters
  Four Wavelength Ranges Available
  Internal Sensor Head
  Complete Bench Top Device Including Preconfigured Laptop PC

Thorlabs' Fiber-Coupled Polarimeters are designed for use solely with fiber optics. The mainframe has a permanent FC/PC fiber collimation package where a light source can be coupled in, typically using a single mode fiber optic patch cable. The four systems we offer are each designed for one of four wavelength ranges: 400 - 700 nm, 700 - 1000 nm, 1000 - 1350 nm, or 1300 - 1700 nm.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
PAX5720VIS-T Support Documentation
PAX5720VIS-T TXP Polarimeter Including PC, 400 - 700 nm, Internal Sensor
$8,148.01
Lead Time
PAX5720IR1-T Support Documentation
PAX5720IR1-T TXP Polarimeter Including PC, 700 - 1000 nm, Internal Sensor
$8,148.01
Lead Time
PAX5720IR2-T Support Documentation
PAX5720IR2-T TXP Polarimeter Including PC, 1000 - 1350 nm, Internal Sensor
$8,148.01
Today
PAX5720IR3-T Support Documentation
PAX5720IR3-T TXP Polarimeter Including PC, 1300 - 1700 nm, Internal Sensor
$8,148.01
Today
Free-Space Polarimeters
  Four Wavelength Ranges Available
  External Sensor Head
  Complete Benchtop Device Including Preconfigured Laptop PC

Thorlabs' Free-Space Polarimeters consist of three main parts: the mainframe, the readout card, and the measurement head. Each measurement head needs to be connected to a readout card. The readout card can be used for all four wavelength ranges, so only the sensor head needs to be changed. If a different wavelength range is desired, simply purchase the corresponding external sensor head (sold below) and connect it to the current readout card. If two or more external sensor heads are to be used simultaneously, an equal number of readout cards is required. The mainframe can hold up to four readout cards.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
PAX5710VIS-T Support Documentation
PAX5710VIS-T TXP Polarimeter Including PC, 400 - 700 nm, External Sensor
$8,001.00
Today
PAX5710IR1-T Support Documentation
PAX5710IR1-T TXP Polarimeter Including PC, 700 - 1000 nm, External Sensor
$8,001.00
Today
PAX5710IR2-T Support Documentation
PAX5710IR2-T TXP Polarimeter Including PC, 1000 - 1350 nm, External Sensor
$8,001.00
Today
PAX5710IR3-T Support Documentation
PAX5710IR3-T TXP Polarimeter Including PC, 1300 - 1700 nm, External Sensor
$8,001.00
3-5 Days
External Sensor Heads
  Free-Space Measurement Head
  Interchangeable
  Four Wavelength Ranges Available

These External Measurement Heads for the Free-Space Polarimeters above can be exchanged to switch to a different wavelength range without the need to purchase a complete new system. These external heads allow free-space and fiber-based measurements with easy integration in optical setups.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
PAN5710VIS Support Documentation
PAN5710VIS PAX External Sensor Head, 400 - 700 nm
$3,471.00
Lead Time
PAN5710IR1 Support Documentation
PAN5710IR1 PAX External Sensor Head, 700 - 1000 nm
$3,471.00
Lead Time
PAN5710IR2 Support Documentation
PAN5710IR2 PAX External Sensor Head, 1000 - 1350 nm
$3,471.00
Lead Time
PAN5710IR3 Support Documentation
PAN5710IR3 PAX External Sensor Head, 1300 - 1700 nm
$3,471.00
Lead Time
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