LAC Tech’
Description
The LAC Tech’ is the technological platform of the LAC regrouping the experimental support professions. It operates around instrumental development and experimentation. It has been operational since 1/1/2020 and includes 11 staff members working in 6 professional skills, all of them belonging to the BAP C. LAC Tech’ is directed, coordinated and animated by Jean-Paul Cromière. It is organized around four branches:
(i) Design Office and 3D Printing
(ii) Optics and Laser
(iii) Electronics and Systems
(iv) Prototypes and Mechanics,
which work together to support the laboratory in its scientific projects or to perform external services.
Our projects
Members
Design Office and 3D Printing
- Bruno VIVAN (référent)
- Sandrine BILLOIR
Prototypes and Mechanics
- Daniel CIVIALE (référent)
- Guillaume DOLGOTWOROFF
- Lionel MARRIAUX
- Henri PEZARD
Electronics and Systems
- Jean-Paul CROMIERES, Coordinator
- Jules CRAS
Optics and Lasers
- Christophe SIOUR (référent)
- Aziz ZOGAGHI
Our services
Prototypes and Mechanics
Our expertise and specific skills lie in the machining of precision mechanical parts. We design and produce unit parts or complete mechanical assemblies required for physics and optics experiments in the laboratory. We are at the origin of many prototypes meeting the requirements of experimental work. Our workshop is equipped with conventional machine tools and two numerically controlled milling machines that allow us to cover a wide range of machining capacities. We also do small design on Solidworks software.
Equipment
6 CONVENTIONAL TOWERS
– Cazeneuve HB 575
– 2 Cazeneuve HBX 360
– De Valiere H 140
– Hernault Somua AC 280
– Vuillemier VF 250/35
3 CONVENTIONAL MILLING MACHINES
– Deckel FP 3
– Dufour 61B
– Huron MU 44
2 DIGITAL MILLING MACHINES
(see photos)
– DMU 50 – CNC Heidenhain iTNC530
– DMU 635V – CNC Heidenhain TNC620
MISCELLANEOUS
– 1 drill grinder
– 1 press
– 1 sandblaster
– 1 tap disintegrator
– 1 band saw
– 1 reciprocating saw
– 2 drill presses…
Electronics and Systems
The Electronics & Systems department at LAC Tech’ is currently composed of two research engineers.
The department designs original electronic equipment essential to the needs of the experiments performed in the laboratory. A large part of the activities concerns the development of electronic systems associated with projects for which no commercial solution exists. It can also be involved in an important way in scientific projects carried out by researchers. The developments carried out by the department concern both the realization of simple functions (specific amplifiers, modulators, synthesis and measurement of signals, distance sensor by measurement of time of flight, etc.) and large-scale projects close to the physics experiment (measurement of wavelength and laser servoing, electronics for optical control of the movement of a particle, etc).
The skills and know-how of the department are digital electronics (Xilinx FPGA programmable components and Microchip microcontrollers), general analog electronics, radio frequencies, low level measurement, signal synthesis, signal processing, medium voltage switching. Programming in advanced languages such as LabVIEW or C, digital synthesis language VHDL. The department regularly welcomes interns studying in BUT or engineering schools.
Equipment
Means:
– Agilent Infinium DSO9254 2.5GHz oscilloscope
– Rhode & Schwarz RTO20141GHz<>- Tektronix MDO3054 1GHz multi-domain oscilloscope
– HP8648 1GHz frequency synthesizer
Miscellaneous:
– Lynx EVO 6x to 50x stereo microscope
– SMD placement tooling
– SMD reflow oven
– Technodrill 3 rapid prototyping machine
Optics and Lasers
The service receives requests for work from research teams. It is in charge of the exploitation of experimental devices (optical systems and lasers) in connection with experimental projects, of the conception, the development of assemblies and adjustment protocols.
Equipements
– HIGHFINESSE Precision IR Lambdameter (Standard measurement range 800-1770nm, Absolute accuracy)
– NEWPORT 1918-C Power Meter: High Power Detector (Spectral range between 190nm and 10μm
– Ocean Optics QE65000 Spectrometer
Design Office and 3D Printing
The design office receives work requests from research teams. It is in charge of the realization of studies, of the drawing, of the follow-up of the realization of mechanical assemblies of a scientific instrumentation project. This service also manages the two 3D printers of the laboratory.
Equipements