  | |  | Dear Sir or Madam
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| In June, Munich will again be the hub of the international photonics industry. LASER World of PHOTONICS 2023 is due to open its doors on 27 June in the exhibition halls, where numerous innovations await you. Comprehensive fair information can be found at world-of-photonics.com
At LASER WoP, Instrument Systems will be presenting a variety of IR measurement solutions for VCSEL characterization in the near- and far-field, as well as for the high-resolution spectral measurement of IR sources. As a novelty, we will showcase our brand new CAS 140D IR model that was specially developed for the infrared range and scores points for high signal sensitivity, improved stray light performance and faster electronics.
We look forward to welcoming you at our Booth A3.209. You can acquire your complementary ticket for LASER WoP at: sales@instrumentsystems.com
Please also make a note of our conference presentation on testing VCSEL arrays at ICM on 28 June 2023!
Outlook: At LASER World of PHOTONICS in Shanghai from 11–13 July 2023 Instrument Systems can be found in two halls together with its Asian sales partners Giant und Rapitech. Read more about it below.
Your Instrument Systems Team
sales@instrumentsystems.com
Tel.: +49-89-454943-0
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| | | \\ Presentation at SPIE Digital Optical Technologies |
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| Two-dimensional LIV and beam quality characterization of individual emitters in a VCSEL array
| | Parallel to LASER WoP, the World of Photonics Congress is to be held in the neighboring ICM. Instrument Systems will be represented with a presentation by Dr. Amir Sharghi:
at 08:40 am on Wednesday, 28 June 2023, Room 21
Abstract: Detailed and comprehensive LIV test, spectrum and beam analysis of single emitters of a VCSEL array is the focus of this presentation. We extended existing one-dimensional test measurements to 2d covering analysis of each single emitters of the laser diode array at well-controlled conditions.
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| | | \\ Our Topics at LASER WoP 2023 |
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| CAS 140D IR:
Ideal for any infrared measurement task | |
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| At LASER WoP 2023 Instrument Systems will be presenting its latest spectroradiometer CAS 140D IR for measurements in infrared. It offers the proven high measurement accuracy and reliability of the CAS140D series, recognized worldwide as a reference for wavelengths from 780–1700 nm. Compared to its predecessor model, the new CAS 140D IR has a significantly improved performance with regard to signal sensitivity, stray light suppression and electronics.
From UV to IR with the Multi-CAS module
Due to the combination of different CAS models, an extremely wide wavelength range from UV to IR can be analyzed simultaneously in a single measurement. The MultiCAS module of the respective analytical software SpecWin Pro delivers a user-friendly evaluation of all measurement data in a uniform measurement curve.
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| CAS HR:
Measurement of narrowband IR emitters | |
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| Laser diodes typically feature a high output in an extremely narrow spectral range. For the measurement of IR emitters, Instrument Systems therefore offers spectroradiometers with an extremely high spectral resolution of up to 0.12 nm and integration times from 4 ms. The traceable absolute calibration of these spectroradiometers enables fast calculation of radiant flux from the measured spectrum. Optionally, the measurement system can be extended by a photodiode, e.g. in order to measure the pulse form of a pulsed laser diode.
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| VTC 4000:
Polarization-corrected VCSEL testing | |
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| The VTC 4000 near-field camera from Instrument Systems was specially developed for ultrafast, precise 2D analysis of VCSEL arrays. It enables polarization-corrected measurement of the output of an emitter or array. Thanks to a unique calibration concept, the 2D quality analysis is of an unprecedented measurement accuracy. The VTC 4000 permits absolute measurement of output and measurement of the polarization properties of each individual emitter within the field of view in a one-shot process. Like all Instrument Systems measuring instruments, the VTC 4000 camera is traceably calibrated to national standards (PTB) and delivers readings with absolute accuracy. Manufacturers can thus exploit the full performance efficiency of VCSEL/lasers, while at the same time ensuring reliable operation.
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| VTC 2400:
Far-field analysis of infrared sources | |
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| The VTC 2400 from Instrument Systems is a high-resolution infrared camera that was tailor-made for the 2D far-field analysis of the radiant intensity distribution of VCSEL and IR emitters. The cost-effective measurement system consists of a light-permeable, diffusely scattering screen and a monochrome camera specialized in measurements in near infrared. Thanks to the light-shielding camera housing, the system is suitable for both lab and production applications. In the measurement setup, the screen stands between the radiation source (DUT) and the infrared camera, so that the typical spatial radiation properties of the DUT are visible on the screen. The infrared camera VTC 2400 captures this 2-dimensional image in a single measurement and converts the irradiance [W/m2] to radiant intensity distribution [W/sr] of the DUTs via calibration.
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| | \\ LASER WoP China from 11–13 July 2023
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| | Instrument Systems represented in two locations! | |
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| As the annual event for the Asian laser, optics and optoelectronics industry, the LASER World of PHOTONICS CHINA 2023 is again scheduled to take place at the National Convention and Exhibition Centre in Shanghai. Instrument Systems will be represented in two halls together with its Asian sales partners from 11–13 July:
1. Booth 7.1E301 together with Giant
2. Booth 8.1C531 together with Rapitech Enterprise
Our topics:
//2D display measurements – also AR/VR – with LumiTop camera or DMS goniometer system
//VCSEL measurements with VTC infrared cameras
//High-end spectroradiometer for measurements from UV to IR
//High-resolution spectroradiometer for the characterization of narrowband emitters, e.g. VCSELs
Let us inspire you with our innovative system solutions. Our experts look forward to your visit!
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| | \\ Article in PhotonicsViews 3/23
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| | | | Eye Safety Assessment of VCSELs (Part II) | |
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| Vertical-cavity surface-emitting lasers (VCSELs) are per-fectly suited to fulfill the requirements for present and future 3D-sensing applications. However, prior to operat-ing VCSEL-based devices in public, manufacturers must ensure safe operation compliant with the IEC 60825-1 standard or national equivalents. In this article, we present a step-by-step analysis of how to assess the laser safety of (1) typical pulsed VCSELs and (2) VCSEL arrays as often used in consumer electronics and automotive Li-DAR applications. We offer two examples that represent typical challenges when dealing with VCSEL sources.
You can read the whole article in the current PhotonicsViews 3/23: available free at LASER WoP!
Part I can already be retrieved at the Download Center (published in LED professional Review 5/22):
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Shanghai, China
2023, June 14-16
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Munich, Germany
2023, June 27-30
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| A3.209
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Shanghai, China
2023, Jul 11-13
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| 7.1E301 and 8.1C531
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