Michael Strotkamp
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View article: EULIAA : novel compact lidar systems for operational wind, temperature and aerosol measurements between 5 and 50 km altitude
EULIAA : novel compact lidar systems for operational wind, temperature and aerosol measurements between 5 and 50 km altitude Open
As of today, there is a significant technological gap for continuous temperature and wind measurements at altitudes above 5 km, which is the maximum altitude reached by compact commercial lidar and radar wind profilers. Measuring higher up…
View article: A mobile universal Doppler-lidar for collocated, high-resolution measurements of winds and temperatures in the middle atmosphere
A mobile universal Doppler-lidar for collocated, high-resolution measurements of winds and temperatures in the middle atmosphere Open
Precise knowledge of winds and temperatures in the middle atmosphere is critical for the localization and characterization of infrasound sources. We present the concept, design, and measurement capabilities of a compact, mobile Doppler lid…
View article: Network Doppler Lidar for simultaneous multi-parameter observations
Network Doppler Lidar for simultaneous multi-parameter observations Open
We present the development progress of our compact multi-field-of-view lidar units for investigating small- to large-scale processes in the atmosphere. Matched narrowband laser and receiver enable precise daylight aerosol measurements with…
View article: Efficient intra-cavity frequency doubled, diode-pumped, Q-switched alexandrite laser directly emitting in the UV
Efficient intra-cavity frequency doubled, diode-pumped, Q-switched alexandrite laser directly emitting in the UV Open
We present an intra-cavity frequency doubled Q-switched diode-pumped alexandrite ring-laser directly emitting in the UV at 386 nm. Using LBO as nonlinear crystal, the laser yields a pulse energy up to 3 mJ at 500 Hz with an excellent beam …
View article: Diode-pumped, Q-switched Alexandrite laser as emitter for general purpose atmospheric Lidar systems
Diode-pumped, Q-switched Alexandrite laser as emitter for general purpose atmospheric Lidar systems Open
We present design and performance of four prototypes of narrow-bandwidth emitters based on diode-pumped Alexandrite lasers for atmospheric Doppler-Mie, -Rayleigh and -resonance lidar systems. Furthermore, lab results for efficient frequenc…
View article: New lasers for climate research
New lasers for climate research Open
How do you measure the temperature of individual atoms at an altitude of ninety kilometers?Weather reports, climate models, or rocket launches -they all need precise data from the atmosphere.Scientists can use lidar systems to shoot laser …
View article: A compact general-purpose Doppler Lidar for lidar networks
A compact general-purpose Doppler Lidar for lidar networks Open
We present the state of the VAHCOLI (Vertical and Horizontal COverage by Lidar) project for investigating small- to large-scale processes in the atmosphere. In the future, an array of compact lidars with multiple fields of view will allow …
View article: Ground-based general purpose Doppler-lidar: a technology for Doppler-aerosol measurements and beyond
Ground-based general purpose Doppler-lidar: a technology for Doppler-aerosol measurements and beyond Open
We present the mission proposal for a spaceborne multi-frequency lidar that is able to perform simultaneous Doppler Rayleigh, Mie and resonance measurements to gain temperature and wind data from ground to thermosphere. The suitability of …
View article: Design and pre-development of an airborne multi-species differential absorption Lidar system for water vapor and HDO isotope, carbon dioxide, and methane observation
Design and pre-development of an airborne multi-species differential absorption Lidar system for water vapor and HDO isotope, carbon dioxide, and methane observation Open
We report on the current design and preliminary developments of the airborne Lidar Emitter and Multi-species greenhouse gases Observation iNstrument (LEMON), which is aiming at probing H2O and its isotope HDO at 1982 nm, CO2 at 2051 nm, an…
View article: Rugged diode-pumped Alexandrite laser as an emitter in a compact mobile lidar system for atmospheric measurements
Rugged diode-pumped Alexandrite laser as an emitter in a compact mobile lidar system for atmospheric measurements Open
We present design and performance data of two diode-pumped Alexandrite lasers developed explicitly as laser emitters in mobile potassium resonance lidar systems. The lasers yield an output power of up to 1.75 mJ at a repetition rate of 500…
View article: High Energy Parametric Laser Source and Frequency-Comb-Based Wavelength Reference for CO2 and Water Vapor DIAL in the 2 µm Region: Design and Pre-Development Experimentations
High Energy Parametric Laser Source and Frequency-Comb-Based Wavelength Reference for CO2 and Water Vapor DIAL in the 2 µm Region: Design and Pre-Development Experimentations Open
We present a differential absorption lidar (DIAL) laser transmitter concept designed around a Nested Cavity Optical Parametric Oscillator (NesCOPO) based Master Oscillator Power Amplifier (MOPA). The spectral bands are located around 2051 …
View article: Diode-pumped cw Alexandrite laser with temporally stable 6.5 W in TEM<sub>00</sub> operation with prospect of power scaling
Diode-pumped cw Alexandrite laser with temporally stable 6.5 W in TEM<sub>00</sub> operation with prospect of power scaling Open
We present the design of a longitudinally diode-pumped Alexandrite laser in continuous-wave operation and resulting performance data. A laser power of 6.5 W in fundamental mode operation was measured, which is, to the best of our knowledge…
View article: Demonstration of a compact and universal Doppler lidar based on a novel diode pumped alexandrite ring laser
Demonstration of a compact and universal Doppler lidar based on a novel diode pumped alexandrite ring laser Open
First atmospheric measurements with a diode pumped alexandrite ring laser in a ground-based general-purpose Doppler lidar demonstrates high-resolution spectral measurements with minimum hardware requirements. Two decades of Doppler measure…
View article: Diode-pumped Alexandrite laser instrument for next generation satellite-based Earth observation
Diode-pumped Alexandrite laser instrument for next generation satellite-based Earth observation Open
In this work the first diode-pumped Alexandrite ring laser in Q-switched single-longitudinal mode (SLM) operation is presented. A carefully designed and complex ring resonator with several functional components is combined with an innovati…
View article: Diode-pumped Alexandrite laser for next generation satellite-based earth observation lidar
Diode-pumped Alexandrite laser for next generation satellite-based earth observation lidar Open
In this work, the design of a diode-pumped Alexandrite ring laser in Q-switched single-longitudinal-mode (SLM) operation for a space borne lidar mission is presented. The laser is pumped by a self-developed fiber-coupled laser diode pump d…
View article: Diode-pumped Q-switched Alexandrite laser in single longitudinal mode operation with Watt-level output power
Diode-pumped Q-switched Alexandrite laser in single longitudinal mode operation with Watt-level output power Open
We present significantly improved performance data of a diode-pumped Q-switched Alexandrite laser in single longitudinal mode operation developed as a beam source for resonance lidar systems. The average output power of the laser-operating…
View article: Diode-pumped alexandrite ring laser in single-longitudinal mode operation for atmospheric lidar measurements
Diode-pumped alexandrite ring laser in single-longitudinal mode operation for atmospheric lidar measurements Open
We present, to the best of our knowledge, design and performance data of the first diode-pumped Alexandrite ring laser in Q-switched single-longitudinal mode (SLM) operation. The laser resonator contains two Alexandrite crystals, which are…
View article: Demonstration of a 100-mJ OPO/OPA for future lidar applications and laser-induced damage threshold testing of optical components for MERLIN
Demonstration of a 100-mJ OPO/OPA for future lidar applications and laser-induced damage threshold testing of optical components for MERLIN Open
In the field of atmospheric research, lidar is a powerful technology that can measure gas or aerosol concentrations, wind speed, or temperature profiles remotely. To conduct such measurements globally, spaceborne systems are advantageous. …
View article: Demonstration of a 500 mJ InnoSlab-amplifier for future lidar applications
Demonstration of a 500 mJ InnoSlab-amplifier for future lidar applications Open
In the field of atmospheric research lidar is a powerful technology to measure remotely different parameters like gas or aerosol concentrations, wind speed or temperature profiles. For global coverage, spaceborne systems are advantageous. …