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EML chip packaging for NTT Flip Chip
Most EML packages use gold wire bonding, and some use steps to reduce the length of gold wires, such as Huawei, Lumentum, etc., to increase bandwidth. Some of them use gold wires in parallel to reduce parasitic inductance and improve bandwidth, such as Broadcom. These have been written in too many articles in the collection, so I won't go into details. In this year's OFC, another company mentioned that NTT's Flip Chip flip-chip EML in 2021 can reduce the equivalent length of
May 10, 20232 min read


Mid-infrared multifunctional metasurface with polarization modulation
Germanium windows used in Mid-wave infrared(MWIR) applications
May 9, 20233 min read


First laser gas inspection vehicle put into use in China
Recently, on Xinhua Road, Korla City, Xinjiang Province, the reporter saw a smart gas laser inspection vehicle. Its model is an SUV, and the body is painted yellow. The location equipment has a built-in laser analyzer, which can quickly and effectively detect small leaks within a range of 100 meters. At the same time, combined with the GPS system and the latest intelligent platform software for quick display, you can have a panoramic view of whether there are leaks in the gas
May 6, 20233 min read


Low-cost uncooled long-wave infrared continuous zoom optical design
Low-cost uncooled long-wave infrared continuous zoom optical design
May 5, 202311 min read


930 nm Thin Film VCSEL - for Biomedical Applications
Recently, a research team composed of South Korea's Asia University (Ajou University) and RayIR company successfully fabricated a PDMS substrate using double transfer technology combined with surface modification assisted bonding (SMB) Top-emitting 930 nm thin-film vertical-cavity surface-emitting laser (VCSEL). The threshold current of this thin-film VCSEL is as low as 1.08 mA at room temperature. When the injected current is 13.9 mA, its maximum output power is 7.52 mW. The
May 4, 20235 min read


The iPhone 15 will be equipped with Smart Island
After the debut of the iPhone 14 series, the outside world began to shift their attention to the new generation of iPhone 15 series early on. Especially since this year, there have been a lot of revelations about the appearance and configuration of the phone. If there is no accident, the series will continue. Launched four models including iPhone 15, iPhone 15 Plus, iPhone 15 Pro and iPhone 15 Ultra, especially the two high-end versions have received a lot of exposure. Now th
May 3, 20232 min read


Carbon nanotube uncooled infrared image sensor
NEC Corporation recently announced that it has successfully developed the world's first high-sensitivity uncooled infrared image sensor using high-purity semiconductor carbon nanotubes (CNTs). The sensor uses NEC's proprietary semiconductor CNT extraction technology, and NEC plans to realize the practical application of this uncooled infrared image sensor in 2025. Infrared image sensors convert infrared rays into electrical signals to obtain necessary information, so infrare
May 2, 20232 min read


TRUMPF made a breakthrough in short-wave infrared VCSEL
TRUMPF's goal is to manufacture short-wave infrared (SWIR) VCSELs using the most advanced mass production processes to achieve stable and reliable products with excellent performance. This revolutionary short-wave infrared VCSEL technology can help realize new applications such as mobile phone OLED under-screen sensors and automotive LiDAR. TRUMPF Photonic Components, a division of the TRUMPF Group, is a global leader in VCSEL and photodiode solutions and is mass producing SW
May 1, 20233 min read


Trends in Optical Measurement Technology
Optical metrology is one of the key technologies in manufacturing today. It can generally be defined as the science of making...
Apr 30, 20235 min read


Design of shortwave infrared imaging optical system
Visible light and short-wave infrared are currently more commonly used optoelectronic imaging bands. Short-wave infrared mainly comes from the infrared radiation in the reflection environment of ground objects and objects.
Apr 29, 20239 min read


External cavity narrow line-width semiconductor laser
Narrow line-width lasers have extremely high spectral density, extremely low relative intensity noise and phase noise, and ultra-long coherence length.
Apr 28, 20235 min read


Narrow line-width non-magnetic VCSEL for quantum sensing
Quantum magnetic detection sensors, or atomic magnetometers, are based on the principle of highly sensitive detection of weak magnetic fields by means of the interaction between lasers and atoms.
Apr 27, 20233 min read


NIST develops photonic system-on-chip
Recently, researchers at the National Institute of Standards and Technology (NIST) developed an on-chip system that can simultaneously...
Apr 26, 20232 min read


Applications and challenges of VCSEL
VCSELs are used for sensing, such as lidar, and early applications used edge-emitting lasers for gesture recognition and somatosensory game sensors.
Apr 25, 20232 min read


Infrared temperature sensor makes cooker hood more efficient
Recently, the application of the infrared temperature sensor on the range hood has appeared. Robam Appliances has brought a new product to the kitchen appliance market. The infrared sensor has a temperature measurement distance of 70 cm and is installed on the top side; the experience of fully automatic smoke control makes the People can't help but sigh "It turns out that the range hood can also be in harmony with my heart", making the user's cooking life more convenient, he
Apr 24, 20232 min read


High Sensitivity Detection Based on Tunable Laser
TDLAS technology is mainly divided into direct absorption spectroscopy (Direct Absorption, DA) and wavelength modulation spectroscopy (Wavelength Modulation Spectroscopy, WMS).
Apr 23, 20233 min read


Realize "RGB+IR+Depth" camera with holographic imaging technology
Realize "RGB+IR+Depth" camera with holographic imaging technology
Apr 21, 20232 min read


ams Osram releases 75W edge-emitting laser (EEL) in cost-effective plastic package
The SPL PL90AT03 infrared laser diode has a peak power of 75W and an aperture of 110µm, which is excellent in long-range lidar and time-of-flight (ToF) sensing applications; • Suitable for 3D sensing applications such as robotics, factory/industrial automation, drones, range finders, smart cities, and smart logistics; • Economical plastic package suitable for consumer electronics and industrial applications, supporting short pulses between a few ns~100ns. According to Memes C
Apr 20, 20232 min read


How to Optimize the Diode Structure in Uncooled Infrared Focal Plane
Uncooled infrared focal plane array (IRFPA) is the core component of uncooled infrared detectors , which can be subdivided according to different detection mechanisms: thermistor type, pyroelectric type, thermopile type, diode type, field effect tube type, Optomechanical type etc. Among them, the diode-type IRFPA is conducive to achieving high array uniformity and high spatial resolution because the manufacturing process is compatible with the complementary metal-oxide-semico
Apr 19, 20239 min read


Engineered bacteria controlled by near-infrared light
In recent years, the rapid development of synthetic biology has brought new opportunities for the in-depth optimization of tumor bacterial therapy. Based on synthetic biology methods, scientists can use genetically engineered microorganisms or cells instead of traditional chemical small molecules or biological agents as the basis for the development of new disease treatments. Artificially designed microorganisms or cells carrying synthetic gene circuits can respond to disease
Apr 18, 20237 min read
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