Specific capabilities

Very extreme temperature testing

Alter Technology has developed specific capabilities to support very extreme temperature testing on the full range of parts, equipments and materials

• Several cryogenic chambers with temperature range -185ºC to +315ºC
• Open-air thermal tables with humidity control
• Customized thermal profile and temperature increase rate up to +48ºC/min
• Specific feedthrough for the electrical, optical and mechanical parameters read & record and continuous monitoring
• Thermal vacuum up to 2·10-7 mbars
• Combined radiation environment test (TD and SEE)
• Custom setup for combined testing (radiation + temperature + vacuum + mechanical stress + …)

Cryogenic chambers available:

200 x 200 x 250 mm (4 chambers)
300 x 300 x 400 mm  (1 chamber)

Thermal profile shape: as per customer requirements

Temperature range: -184ºC (limited by LN2) to + 200ºC (limited by vacuum rings)

Achievable vacuum level:

• Fully customized up to <2·10-6mbars

Temperature increase rate:

• Controllable up to approx. 2ºC/min

Valves for breaking vacuum with clean gas (normally nitrogen)

Valves for breaking vacuum with clean gas (normally nitrogen)

Available vacuum feedthroughs:

• Electrical (DB25 and DB9 connectors)
• Optical feedthrough for fibers
• Multimode (400nm to 2100nm)
• Monomode (1550nm, 850nm…)
• RF-feedthrough (upon request)
• Thermocouples
• Windows for non-fiber lasers

Diode characterization – High Voltage resources

• Keithley SMU High Voltage Supply 2657A (3000V, 20 mA)

• Hitek Power OL1K (40kV, 25mA)