Application Notes

Application Notes

Introduction to Laser Frequency Stabilization

The steps outlined in this application note can be used to stabilize a TLB-7000, TLB-6900, or TLB-6300 series tunable diode laser to a reference cavity using the Pound-Drever-Hall stabilization …

Application Notes

The Michelson Interferometer Experimental Setup

Albert A. Michelson won the 1907 Nobel Prize in Physics “for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid.” One …

Application Notes

FM Spectroscopy With Tunable Diode Lasers

Frequency-modulation spectroscopy is a powerful tool that can achieve high sensitivities with a relatively simple experimental setup. Tunable diode lasers, in particular, can make the …

Application Notes

Phase-Shifting Interferometry for Determining Optical Surface Quality

Determining the surface quality of a critical component—the deviation from the intended shape whether flat, spherical, etc.—is crucial to high-precision manufacturing. Traditional methods …

Application Notes

A Survey of Methods Using Balanced Photodetection

New Focus balanced photoreceivers are ideal for optical detection applications that require sensitive measurements. This application note focuses on several techniques, divided into …

Application Notes

Insights into High-Speed Detectors and High-Frequency Techniques

With the advancement of high-transmission-rate systems and short-pulse lasers, many applications now require high time-resolution or equivalently, high frequency-bandwidth optical detection. …

Application Notes

Vacuum-Compatibility and Ultraclean Applications

For applications requiring ultraclean devices or operation in high-vacuum, our vacuum-compatible Picomotor™ actuators and Stability™ mounts offer “quantified exceptional” performance. …

Application Notes

Swept-Wavelength Testing: Saving Time and Bringing Real-Time Process Control to the Manufacturing Environment

With the recent trend towards higher channel counts in telecommunications systems, the efficiency of wavelength-characterization measurements is becoming a major issue. Although the …

Application Notes

Tunable Lasers Applications to Spark Your Imagination

Interferometry is widely used to make precision length and displacement measurements ranging from less than a nanometer to tens of meters. Researchers used our 630-nm TLB-6304 laser …

Application Notes

Feedback Prevention with Optical Isolators

Because fiber is a high gain medium, any light that is inadvertently injected into the ultrafast oscillator, as well as into amplifiers, can degrade and potentially irreversibly affect …

Application Notes

Optical Delay Line Mirror Mount 9848-KT - Application Note

This note is meant to quickly walk you through the process of how to align our latest delay-line mount in 7 steps. You will see that the delay-line mount has advantages over using two …

Application Notes

Frequency Comb Research Advances Using Tunable Diode Lasers - Application Note 59

The discovery of the optical frequency comb and the breakthrough work of Hänsch and Hall in refining the frequency comb technique have revolutionized the field of scientific metrology. …

Application Notes

Advanced Programmable Wavelength Markers For Swept Laser Based Test-Measurement Applications

For widely tunable laser, tuning speed and linearity are the terms or specifications quite often being used for characterizing the tuning performance. Tuning linearity is usually defined …

Application Notes

On the Origin of Motion Control Specifications - Motion Application Note 1

High-precision motorized positioners are used for a wide variety of applications such as fiber alignment, semiconductor wafer positioning, micro-assembly, and device testing in a number …

Application Notes

Polarization and Polarization Control - Application Note 3

Precise control of polarization behavior is necessary to obtain optimal performance from your optical components and systems. Characteristics such as reflectivity, insertion loss, and …

Application Notes

Swept Wavelength Testing Characterizing the Tuning Linearity of Tunable Laser Sources - Application Note 13

In a swept-wavelength measurement system, the wavelength of a tunable laser source (TLS) is swept continuously at a constant rate throughout the desired tuning range, while the device …