SureLock™ 685nm Wavelength Stabilized Laser Diode
Ondax’s 685nm Wavelength Stabilized Laser Diode is a single mode, single frequency laser packaged in an ultra-compact TO-can footprint. The extremely narrow linewidth, broad temperature operating characteristics and low power consumption deliver affordable, portable instrument-quality performance for a broad range of instrumentation applications.All SureLock™ Series lasers are stabilized using the Ondax PowerLocker® Volume Holographic Grating (VHG), ensuring precise, ultra-stable center wavelengths, low temperature dependence and consistent optical performance over the locked region.
Features
Single frequency performance
Narrow linewidth <50 MHz
Wavelength stability 0.015nm/°C
Coherence length >2m
Compact, hermetically sealed TO footprint
Narrow-band ASE filters available
Applications
Raman Spectroscopy
Metrology
Sensing
Bio-Instrumentation
Analytical Instrumentation
Graphic Arts
Parameter | Symbol | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Output Power | Po | 45 | mW | ||
Center Wavelength1 | LP | 684 | 685 | 686 | nm |
686 | 687 | 688 | nm | ||
Linewidth | Δλ | 50 | MHz | ||
Central Stabilized Temperature | Tc | 15 | 40 | °C | |
Stabilized Temperature Range | Tr | 10 | 15 | °C |
Parameter | Symbol | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Threshold Current (CW) | Ith | 35 | 60 | mA | |
Operating Current | Iop | 75 | 140 | mA | |
Operating Voltage | Vop | 2 | 2.7 | 3 | V |
Laser Reverse Voltage | Vrl | 2 | V | ||
Monitoring Output Current | Im | 0.05 | 0.3 | 2.5 | MA |
Beam Divergence, Perpendicular | Qv | 16 | 20 | 25 | degs |
Beam Divergence, Parallel | Qh | 8 | 10.5 | 14 | degs |
Off Axis Angle, Perpendicular | dQv | -2.5 | 2.5 | degs | |
Off Axis Angle, Parallel | dQh | -2 | 2 | degs | |
Differential Efficiency | DE (dP/dI) | 0.9 | mW/mA | ||
Operating Temperature2 | Top | 0 | 50 | °C | |
Storage Temperature2 | Ts | -10 | 60 | °C | |
Polarization | 100:1 | ||||
Polarization Orientation | TE |