LASER MEASUREMENT

Semiconductor technology and digital image company OMNIVISION has developed pixel technology that is smaller than the wavelength of red light. The company’s OVBOA is a 200-MP image sensor with...

Recent research has investigated novel approaches to beam-splitting in the context of topological photonics. Several beam-splitting mechanisms have been proposed relying on different topological...

Researchers from Laval University reported the development of the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing...

Laser technology startup Enlightra has collaborated with DESY Hamburg to develop comb lasers that are more stable and efficient by design. The work demonstrated microresonators with programmable...

Mitsubishi Electric’s 200 Gbps (112 Gbaud four-level pulse-amplitude modulation (PAM4)) electro-absorption modulator laser diode (EML) chip doubles the speed of the company's existing 100 Gbps...

While standard InGaAs detectors cover a spectral range from 900 to 1700 nm, ER-InGaAs detector sensitivity is shifted towards higher wavelengths up to 2200 nm, and this is a real breakthrough in SWIR...

Introducing UVWFS Broadband by Armadillo: A remarkably low-loss solution optimized for wavelengths ranging from 200 to 2000 nm. This innovative fiber harnesses the combined properties of UV and WF...

The SPL PL90AT03 IR laser diode from ams OSRAM offers 75-W peak power and narrow 110-µm aperture for performance in long-distance lidar and time-of-flight sensing applications. A...

Photonics Rules of Thumb Scientists and engineers tend to want to answer simple relational questions with a blackboard covered with equations, even when questioners just want a rough estimate to...

To Isaac Newton the problem was clear, and in 1704 he realized the effects of atmospheric turbulence on image formation. Just as heat waves shimmering above a hot patch of ground can distort our...

Infrared system design is not, like some circuit design, a synthetic process. One cannot start by stating the problem and proceeding in an orderly fashion to a final solution. Rather, we guess a...

That portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. What colors we perceive depends on wavelength, while...

Precise and sensitive phase detections are often required for impedance and optics-based measurements. For example, measuring the phase shift between current and voltage reveals the complex impedance...

Everything you need to know about soldering, mounting, thermal management, drive current, environment, and more, regarding extending the lifetime of your laser diodes.

When it comes to infrared measurements, a lock-in amplifier paired with a pulsed light source is an essential tool to increase the signal-to-noise ratio (SNR) for low light applications. This tech...

MKS' Newport OptoFlash delivers up toe 10 discrete channels where pre-determined wavelength detection is essential to acquiring fast sample measurements.

Fluorescence imaging in life sciences and microscopy applications has traditionally used mercury, metal halide, and xenon arc lamps for illumination. With advances in technology, LEDs are now able to...

Vision applications have been dominated by silicon (Si)-based image sensors, which are perfectly suited for visible and near-infrared (NIR) wavelengths up to ~1 µm. Shortwave infrared (SWIR) is...

AR/VR/XR is becoming more widespread, creating new consumer and enterprise experiences. As the technology expands, AR/VR/XR headsets are becoming imbued with increasingly advanced functionality....

Industrial laser materials processing is constantly evolving. Industries as varied as pharmaceutical, consumer electronics, automotive, aerospace, and textiles, among others, have benefited from new...

A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic spectrum. It is composed of layers of gallium, aluminum, and arsenic, hence...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical filters are used to control the spectral content of light in various...

A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single package. These modules are designed to provide a convenient and efficient...

When a lens system with a circular aperture is free of aberrations, the image of a point object will appear as a disc of finite size surrounded by concentric rings. When two points are separated such...

Marktech Optoelectronics is a leading manufacturer of UV visible, near-infrared, and short wavelength infrared (SWIR) emitters, detectors, and materials including InP epiwafers. Marktech maintains an...

In this month's Light Matters Extra, we take you to the Quantum Photonics Laboratory at MIT run by Dr. Dirk Englund. Dr. Englund's group, the Quantum Photonics Group, is made up of postdocs and...

On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...

Tune into this month's edition of Light Matters for some of the highlights from Optifab 2017, as distributors and buyers from all over the world met in the photonics industry hub of Rochester, New...

A laser beam profiler is a device that measures the spatial distribution of energy perpendicular to the propagation path of a radiant beam. An energy or power meter is typically used to monitor the...

Detector arrays refer to a collection of individual detector elements arranged in a two-dimensional grid or matrix format. Each element within the array is capable of detecting electromagnetic...

A spectropolarimeter is an instrument for plotting the rotatory dispersion of a substance at different wavelengths.

Chunghwa Leading Photonics Tech (CLPT) provides state-of-the-art wafer processing and device packaging technology for InGaAs photodetector developments. Based on our high quality, high yield and high...

PhotonTec Berlin GmbH is located in the Center for Microsystems and Materials (ZMM) in Berlin-Adlershof, Germany. We focus on the development, production, and marketing of fiber-coupled diode lasers...

In 1977, Dale Flaming, a scientist working at the University of California at San Francisco, was having difficulty reliably producing micropipettes. He developed the first electronically controlled...

Established in 1985, OZ Optics is a leading worldwide supplier of fiber optic components, test equipment and sensors. OZ Optics manufactures its products in three locations, Ottawa (Canada),...