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Integrating Spheres


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Integrating Spheres

Compatible Mounted Photodiodes
Sensor TypeWavelength RangePhotodiodes
GaP150 - 550 nmSM05PD7A
Si200 - 1100 nmSM05PD2A
SM05PD2B
Si350 - 1100 nmSM05PD1A
SM05PD1B
InGaAs800 - 1800 nmSM05PD4A
SM05PD5A
Ge800 - 1800 nmSM05PD6A

Features

  • Ø2" Integrating Sphere in Black Anodized Aluminum Housing
  • Operating Range: 250 - 2500 nm (Unless Limited by the Detector)
  • Equipped with 3 or 4 Ø1/2" Ports for Easy Coupling of Light (Depending on Model)
  • Recessed 3 mm Detector Port Allows Direct Connection of Any of Our SM05PD Photodiodes
  • Directly Compatible with SM05 (0.535"-40) Lens Tubes and Our 30 mm Cage Systems
  • Durable White High Reflectance Sphere Material
  • Metric and Imperial Threads for Post Mounting
  • Included Accessories
    • Reflective-Coated Port Plugs (One per Port)
    • FC Fiber Adapter
    • SMA Fiber Adapter
    • SM05 Adapter (SM05L05) for Mounting SM05PD Photodiodes

Functionality
The IS200 Integrating Sphere is a general purpose integrating sphere enabling high sensitivity measurements of optical signals. An Integrating Sphere evenly spreads the incoming light by multiple reflections over the entire sphere surface. This makes it the ideal instrument for many applications such as laser power, flux, reflectance and radiance measurements. The Input and Output Ports can be equipped with fiber adapters or closed with the coated Port Plugs (included); the Detector Port is recessed to avoid direct light exposure from the incidental light to the active area of the photodiode. The sphere is manufactured from PTFE based high reflective bulk material which is highly reflective (250 - 2500 nm) and is resistant to heat, humidity, and high levels of radiation. The sphere is compatible with Thorlabs' SM05 (0.535"-40) thread standard as well as our 30 mm cage systems, thereby enabling easy integration into existing setups.

Our IS200 Integrating Spheres are available with either a mounted Si photodiode (350 - 1100 nm), mounted InGaAs photodiode (800-1700 nm) or without a detector. When purchasing an Integrating Sphere without a built-in detector, the sphere's operating range is limited by the reflectance wavelength range of 250 - 2500 nm (see the Specs tab). When purchasing the sphere with no detector, any of our SM05PD family of detectors can be mounted to the Ø3 mm detector port using the SM05 threading of the included SM05 Adapter (SM05L05).

Replacement items for the included adapters and port caps can be ordered separately below.

Choose from 5 Models:

  • IS200 & IS200-4: Ø2" Integrating Sphere with 3 or 4 Ports and without a Detector
  • IS236A & IS236A-4: Ø2" Integrating Sphere with SM05PD1B Si Detector (350 to 1100 nm) and 3 or 4 Ports
  • IS210C: Ø2" Integrating Sphere with Anode-Grounded Version of the SM05PD4A InGaAs Detector (800 to 1700 nm) and 3 Ports

For our integrating spheres we offer a calibration service upon request. Please contact your nearest sales office for more information.

Please note that inhomogeneities at the edges of the active area of the detector can generate unwanted capacitance and resistance effects that distort the time-domain response of the photodiode output. These effects are observable when the diode is saturated. If these effects are detrimental to your application, please contact Technical Support for further assistance.

Top Views


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Integrating Sphere with Photodiode and 3 Ports
(IS236A & IS210C)

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Integrating Sphere with Photodiode and 4 Ports
(IS236A-4)

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Integrating Sphere Design
(Side View)
Item #IS200IS200-4IS236AIS236A-4IS210C
Detector TypeNo DetectorSiInGaAs
Detector-SM05PD1BAnode-Grounded
SM05PD4A
Detector Wavelength-350 - 1100 nm800 - 1800 nm
Sphere Reflectivity~99% @ 350 to 1500 nm; >95% @ 250 to 2500 nm
Sphere Diameter2"
Port Diameter0.5"
Ports3 at 0°, 90°,
and Top
4 at 0°, 90°,
180°, and Top
3 at 0°, 90°,
and Top
4 at 0°, 90°,
180°, and Top
3 at 0°, 90°,
and Top
Photodiode PortØ3 mm for SM05PD
Thermal StabilityUp to 250°C
Laser Damage
Threshold
2 kW/cm2, 7 J/cm2
Dimensions61 mm x 61 mm x 65 mm (2.4" x 2.4" x 2.56")
Weight0.35 kg (0.77 lb)

Click to Enlarge

Integrating Sphere Material Reflectivity
IS200IS200-4IS236AIS236A-4IS210CDescription (Item #)
X X XØ2" Integrating Sphere with 3 Ports (IS200)
 X X Ø2" Integrating Sphere with 4 Ports (IS200-4)
  XX Large-Area Mounted Silicon Photodiode, 350-1100 nm, Anode Grounded (SM05PD1B)
    XMounted InGaAs Photodiode, 800-1800 nm, Anode Grounded (SM05PD4B)
XXXXXFC/PC Fiber Adapter Plate with External SM05 (0.535"-40) Thread (SM05FC)
SMA Fiber Adapter Plate with External SM05 (0.535"-40) Thread (SM05SMA)
SM05 Adapter (SM05L05) for Mounting SM05PD Photodiodes
End Cap Coated with 1 mm Thick Reflective Sphere Material, One per Port (SM05CP2C)
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Posted Comments:
Poster:
Posted Date: 2013-05-03 15:47:14.22
An integrating sphere as the IS200 or the IS200-4 with 2 detector ports would be useful for applications where different dectors are required. Im my case, I need the same detector, but with different filters in front of it. Removing the dector and changing the filter is not convenient... Others applications where an infrared and visible detector could be used at the same time are also possible.
Poster: tschalk
Posted Date: 2013-05-06 11:12:00.0
This is a response from Thomas at Thorlabs. Thank you very much for your feedback. It is a very good idea to have one more port for an additional detector. I will forward this idea to our development department.
Poster: tschalk
Posted Date: 2013-05-08 01:54:00.0
This is a response from Thomas at Thorlabs. I discussed this idea with our development department and we can offer a special item. It would be great if you can contact us (Europe@thorlabs.com) to discuss your application and the details for the special.
Poster: segreto
Posted Date: 2013-04-02 15:42:27.423
The SMA Fiber Adapter Plate should be coated with the Reflective Sphere Material.
Poster: cdaly
Posted Date: 2013-04-04 10:10:00.0
Response from Chris at Thorlabs: Thank you for using the web feedback. The fiber adapter, SM05SMA, is used outside of the IS200(-4) as well, which is why it's not covered with teflon already. We may be able to offer this as a custom and I will contact you directly to speak about this. Since you will need to calibrate the photodiode mounted in the IS200-4, this uncoated area should not affect your measurement.
Poster: tschalk
Posted Date: 2012-10-24 12:34:00.0
Response from Thomas at Thorlabs: Thank you very much for your inquiry. The reflectance of the sphere material is wavelength dependent and about 99% from 350nm to 1500nm. The lose is caused by the reflections inside the sphere. Unfortunately there is nothing you can do against it because this is a physical characteristic of the reflectance material. I will contact you directly to discuss this issue.
Poster: a.d.v.dam
Posted Date: 2012-10-24 06:01:24.747
The intensity of the light entering the sphere is about 10x as much as the light which comes out at the detector port. It seems that we lose 90% of the light inside the sphere, probably absorbed by the white coating. Is this possible? What can we do to actually collect all the light in the sphere? Thanks.
Poster: jvigroux
Posted Date: 2012-10-03 08:08:00.0
A response form Julien at Thorlabs: Thank you for your inquiry! I wll try to answer your question in eth same order: 1. they are in principle compatible. you can either use a self built adapter from SMA to Dsub 9 to connect the IS236A-4 to the PM100D or we can also make a special that will directly come with a Dsub 9 connector 2. The integrating sphere can in principle accomodate the S314C. You will need for this a lens tube adapter from 1/2" to 1". In this case, the active surface of the S314C will be recessed quite far away from the surface of the shpere so that the attenuation will be at least 4 orders of magnitude 3. you can exchange the diode that is mounted in the IS236A-4 against any other 1/2" mounted photodiode. One point that was not discussed is the calibration of the photodiode contained in the IS236A-4. In principle, we can calibrate the system diode+sphere and either deliver a diode with Dsub9 connector where the calibration values will be saved such that they can be read out by the PM100D or use the standard SMA connector and send you a document listing the responsivity values for the different wavelengths. The calibration would be of course only valid for the detector mounted into the sphere.
Poster: wesam002
Posted Date: 2012-10-03 06:27:00.0
hello, we want to buy PM100D+ s314c+ IS236A-4 and we have the following questions 1. are the above items compatible with each other. 2. Can we use the integrating sphere with s314c. 3. how much will it cost to add InGaAs sensor to IS236A-4 along with Si sensor included and the possibility of replacing the sensors when we wish. thanks
Poster: jvigroux
Posted Date: 2012-09-06 12:44:00.0
A response from Julien at Thorlabs: Thank you for your inquiry. We can offer additional port plugs for the integrating sphere. We will send oy a quote directly. Concerning the coating, we use the Zenith from SphereOptics. Oil is in principle not a problem for the machining of the coating provided the part s properly cleaned afterwards. It should however not be introduced into the sphere since it will modify the reflection properties of the coating.
Poster: alexglenday
Posted Date: 2012-09-05 14:45:19.0
Is it possible to purchase additional port plugs for the integrating spheres (part SM05CP2C on the shipping list)? I would like to modify the plug to make a smaller entrance hole. I assume the white reflective material in the sphere is Zenith (from SphereOptics)? There does not seem to be much information on this material online, does it have similar properties to Spectralon (from Labsphere)? Particularly, is oil contamination a significant issue? Thank you.
Poster: julien
Posted Date: 2010-05-28 04:05:29.0
A response from Julien at Thorlabs: Yes, the damage threshold for the IS236A is also 2kW/cm2 in CW mode. We will add this specification in the data sheet.
Poster: bonito
Posted Date: 2010-05-27 09:32:47.0
I am comparing general purpose integrating spheres (IS200 series) with calibrated integrating spheres used as sensors (S140C series). In specifications of S142C appears 2 damage threshold values: 2 kW/cm2 and 7J/cm2. In specifications of IS236A appears only 7J/cm2 as threshold damage. Can I assume that maximum power density in IS236A is also 2kW/cm2?.
Poster: Tyler
Posted Date: 2008-03-19 07:11:41.0
Response from Tyler at Thorlabs to vlserg: Thank you for pointing out the mistake in our product description. The IS236A-4 integrating sphere has a silicon sensor.
Poster: vlserg
Posted Date: 2008-03-19 02:48:32.0
What detector type is bild-in IS236A-4: Si or Ge?
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Integrating Spheres
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
IS200 Support Documentation
IS200 Ø2" Integrating Sphere, No Sensor, 3 Ports
$969.00
Today
IS200-4 Support Documentation
IS200-4 Ø2" Integrating Sphere, No Sensor, 4 Ports
$989.40
Today
IS236A Support Documentation
IS236A Ø2" Integrating Sphere, Si Sensor, 3 Ports
$1,009.80
Today
IS236A-4 Support Documentation
IS236A-4 Ø2" Integrating Sphere, Si Sensor, 4 Ports
$1,025.10
Today
IS210C Support Documentation
IS210C Ø2" Integrating Sphere, InGaAs Sensor, 3 Ports
$1,162.80
Today
Integrating Sphere Accessories

These items are included with the integrating spheres above (depending on the ordered module).
They are available separately as replacement items or if you need additional ones.

The SM05CP2C is a cap to close unused ports. SM05FC and SM05SMA are adapters to connect FC or SMA connectorized fiber patchcords to a port, respectively, and the SM05L05 allows any of our SM05PD photodiodes to be mounted to a port.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
SM05CP2C Support Documentation
SM05CP2C Customer Inspired! End Cap Coated with 1 mm Thick Reflective Sphere Material
$26.52
Today
SM05FC Support Documentation
SM05FC FC/PC Fiber Adapter Plate with External SM05 (0.535"-40) Thread
$27.30
Today
SM05SMA Support Documentation
SM05SMA SMA Fiber Adapter Plate with External SM05 (0.535"-40) Thread
$27.30
Today
SM05L05 Support Documentation
SM05L05 SM05 Lens Tube, 0.5" Thread Depth, One Retaining Ring Included
$13.75
Today
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