Optical fiber amplifiers and lasers are gaining widespread interest for high-power applications due to their numerous advantages over traditional solid-state and gas lasers including extremely high damage thresholds, excellent beam quality, superiorwavelength and temperature stability, small size,… More

Optical fiber amplifiers and lasers are gaining widespread interest for high-power applications due to their numerous advantages over traditional solid-state and gas lasers including extremely high damage thresholds, excellent beam quality, superiorwavelength and temperature stability, small size,… More

High-power fiber lasers and amplifiers are emerging as viable alternatives to traditional solid-state and gas laser systems for many military and industrial applications. The advantages of high-power optical fiber sources are numerous: extremely highdamage thresholds, excellent beam quality,… More

High-power fiber lasers and amplifiers are emerging as viable alternatives to traditional solid-state and gas laser systems for many military and industrial applications. The advantages of high-power optical fiber sources are numerous: extremely highdamage thresholds, excellent beam quality,… More

The development and performance evaluation of new carbon/carbon (C/C) and carbon/silicon-carbide (SiC) composite structural components has been hampered by the lack of reliable strain sensors that can survive up to the exceedingly high temperatures (3000 F) up to which these materials must be… More

The development and performance evaluation of new carbon/carbon (C/C) and carbon/silicon-carbide (SiC) composite structural components has been hampered by the lack of reliable strain sensors that can survive up to the exceedingly high temperatures (3000 F) up to which these materials must be… More

Previous instrumentation for real-time aircraft turbine blade/disk PHM includes non-intrusive optical, eddy current, and capacitive-based probes as well as blade-mounted transducers for direct measurement of blade condition. Noncontact optical probes have demonstrated higher accuracy than competing… More

Lambda Instruments, Inc. proposes to investigate the feasibility of implementing an integrated suite of high-speed multimode optical fiber-based linear/rotary position, temperature, current/voltage, and pressure sensors. The proposed sensor suite builds upon in-house patented/patent-pending… More

During Phase I, Lambda Instruments proposes to extend these initial sapphire optical fiber sensor demonstrations to single-crystal, yttria-stabilized zirconia (Y203-ZrO2). While already demonstrated sapphire optical fiber-based sensors can withstand temperatures as high as 3600 degreesF, stabilized… More

Lambda Instruments, Inc., in cooperation with Virginia Tech and Pratt & Whitney, propose to investigate the feasibility of developing ultra high-temperature, high-frequency sapphire optical fiber-based sensors for next generation hypersonic vehicle sensors and wind tunnel testing programs up to 3600… More

The use of electrical foil strain gages to measure aerodynamic loads on sting balances during wind tunnel testing has been extremely successful for relatively low temperature applications. Problems arise, however, in strain gages when the wind tunnel is operated at high temperatures. The bonding… More

The proposed optical fiber-based heat flux sensors possess many of the desired performance features for high-speed, high-temperature heat transfer studies for future Air Force hypersonic ground- and flight-test programs. During Phase I, motivated by the demand for robust instrumentation for… More

Nuclear energy is widely held as being the only viable source of abundant, CO2 emissions-free electrical energy meeting projected needs in the near term. The primary challenges associated with emerging Very High Temperature Reactors (VHTR) stem from their extremely high operating temperatures,… More

Nuclear energy is widely held as being the only viable source of abundant, CO2 emissions-free electrical energy meeting projected needs in the near term. The primary challenges associated with emerging Very High Temperature Reactors (VHTR) stem from their extremely high operating temperatures,… More

The primary challenges associated with Light Water reactors stem from the degradation of stainless steel structural components during long reactor lifetimes. One problem in particular is the in-situ measurement of swelling and changes in modulus over the core lifetime. Lambda Instruments, Inc.… More

The primary challenges associated with Very High Temperature Reactors (VHTR) stem from their extremely high operating temperatures, especially during accident conditions which way has necessitated new material systems to be developed for most of the core construction, including fuel. There currently… More

The primary challenges associated with Very High Temperature Reactors (VHTR) stem from their extremely high operating temperatures, especially during accident conditions which way has necessitated new material systems to be developed for most of the core construction, including fuel. There currently… More