Recent advancements in agriculture robots: Benefits and challenges

C Cheng, J Fu, H Su, L Ren - Machines, 2023 - mdpi.com
In the development of digital agriculture, agricultural robots play a unique role and confer
numerous advantages in farming production. From the invention of the first industrial robots …

Gigahertz semiconductor laser at a center wavelength of 2 µm in single and dual-comb operation

M Gaulke, J Heidrich, N Huwyler, M Schuchter… - Optics …, 2023 - opg.optica.org
Dual-comb lasers are a new class of ultrafast lasers that enable fast, accurate and sensitive
measurements without any mechanical delay lines. Here, we demonstrate a 2-µm laser …

High harmonic generations triggered by the intense laser field in GaAs/AlxGa1-xAs honeycomb quantum well wires

BO Alaydin, D Altun, O Ozturk, E Ozturk - Materials Today Physics, 2023 - Elsevier
Under constant electric and magnetic fields, the potential profile of the honeycomb quantum
well wire (HQWW) is studied for varying intense laser fields to trigger and optimize high …

Bandgap engineering, monolithic growth, and operation parameters of GaSb-based SESAMs in the 2–2.4 µm range

BÖ Alaydin, M Gaulke, J Heidrich, M Golling… - Optical Materials …, 2022 - opg.optica.org
We present the detailed growth and characterization of novel GaSb-based semiconductor
saturable absorber mirrors (SESAMs) operating in the 2–2.4 µm spectral range. These …

Upconversion-pumped femtosecond thulium laser at 2309 nm mode-locked by a GaSb-based SESAM

A Tyazhev, JE Bae, M Gaulke, P Loiko, J Heidrich… - Optics …, 2024 - opg.optica.org
We report on a femtosecond thulium laser operating on the^ 3H_4→^ 3H_5 transition with
upconversion pum** around 1 µm and passively mode-locked by a GaSb-based …

3-W output power from a 2-µm InGaSb VECSEL using a hybrid metal-semiconductor Bragg reflector

N Huwyler, M Gaulke, J Heidrich, M Golling… - Optical Materials …, 2023 - opg.optica.org
We present improved thermal management of an optically-pumped vertical external cavity
surface emitting laser (VECSEL) at a center wavelength of around 2 µm. This was achieved …

High output power, single mode, and TEM00 operation of a multiple gain chip VECSEL using a twisted-mode configuration

D Mitten, M Hart, SH Warner, JP Penttinen, M Guina… - Optics …, 2023 - opg.optica.org
A vertical external cavity surface emitting laser (VECSEL) has been developed for a sodium
guide star application. Stable single frequency operation with 21 W of output power near …

Self− Mode− Locked 2− μm GaSb− Based Optically Pumped Semiconductor Disk Laser

J Feng, B Meng, J Shang, X Zhang, C Tong, Y Zhang… - Applied Sciences, 2023 - mdpi.com
We present a mode− locked GaSb− based optically pumped semiconductor disk laser
operating at 2 µm based on the self− mode− locked mechanism. Using the delay differential …

[PDF][PDF] Recent advancements in agriculture robots: Benefits and challenges. Machines 2023, 11, 48

C Cheng, J Fu, H Su, L Ren - 2023 - pdfs.semanticscholar.org
In the development of digital agriculture, agricultural robots play a unique role and confer
numerous advantages in farming production. From the invention of the first industrial robots …

Optically pumped GaSb-based thin-disk laser design considerations for cw and dual-comb operation at a center wavelength around 2 μm

M Gaulke, MC Schuchter, N Huwyler… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Vertical emitting optically pumped semiconductor laser technology in the GaSb material
system, operating in the short-wave infrared (SWIR) regime, has made significant …