Clocklaser

ECDL (downstairs)

The laser consists of a MOPA in littman-configuration. The diode runs at 80 mA (7-10 mW seed-power) and the TA at typically 800 mA (output power ~ 100 mW) The laser frequency can be controlled by a piezo and jumps cyclicly with linear length change. An intra-ECDL-etalon is used to course-adjust the frequency and jump-ranges. Do not use the laser-diode current to change the frequency.

Tapered amplifier (upstairs)

Typical power values

Seedpower: min 10 mW

Outputpower: 800 mW @ 2.2 A

Max outpupower related to the datasheet: 1.5 W @ 3 A

The system was build by Sina Malobabic and is described in her diplomathesis.

EYP-TPA-0915-01500-3006-CMT03-0000

SHG

Typical power values

Outputower: ~ 120 mW

Power transfered through the fiber: 20 mW

Power behind the lattice mirror: ~7 - 8 mW

SHG Photodiode is saturated for full TA power.

SHG beamprofil has some additional spots on one side

SHG beam direction of the blue beam changes with the TA power → Adjust at maximal power.