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TO Series Wavelength Stabilized TO Can Lasers
TO Series Wavelength Stabilized TO Can Lasers

SureLock™ 690 nm Wavelength Stabilized Laser Diode

Coherent’s 690 nm 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 Coherent PowerLocker® Volume Holographic Grating, ensuring precise, ultra-stable center wavelengths, low temperature dependence, and consistent optical performance over the locked region.

690 nm Single Mode, Single-Frequency

TO-Can Laser for Instrumentation

Specification Summary

Parameter Symbol Min Typ Max Unit
Output Power Po – 45 – mW
Center Wavelength(vacuum)1 LP 688 689 690 nm
690 691 692 nm
Linewidth Δλ – 100 – MHz
Central Stabilized Temperature Tc 15 – 40 °C
Stabilized Temperature Range Tr 10 15 – °C

SureLock™ Specifications

1Please specify wavelength at time of order


Operating Specifications

Parameter Symbol Min Typ Max Unit
Threshold Current Ith – 30 60 mA
Operating Current Iop – 75 120 mA
Operating Voltage Vop – 2.3 3 V
Laser Reverse Voltage Vrl – – 2 V
Monitoring Output Current Im 0.08 0.15 0.35 MA
Beam Divergence, Perpendicular Qv 18 21 25 Degrees
Beam Divergence, Parallel Qh 7 9 12 Degrees
Emitter Size – 2 x 3 µm
Differential Efficiency DE (dP/dI) 1.1 mW/mA
Operating Temperature2 Top 0 – 50 °C
Storage Temperature2 Ts -10 – 60 °C
Polarization – – 100:1 – –
Polarization Orientation – – TE – –

Table 2: SureLock™ Operating Specifications

2Non-Condensing
All specifications are at rated power with a case temperature of 25°C unless otherwise noted

Applications

Application
Raman Spectroscopy
Metrology
Sensing
Bio-instrumentation
Analytical Instrumentation
Graphic Arts

Features & Benefits

  • Single frequency performance
  • Narrow linewidth <100 MHz
  • Wavelength stability <0.015 nm/°C
  • Coherence length >2 m
  • Compact, hermetically sealed TO footprint
  • Narrow-band ASE filters available

Related Materials

Case Studies

Documents

Optical Feedback Warning

Optical Feedback Warning

Lifetime Aging Report

Lifetime Aging Report

SureLock™ Wavelength Stabilized Laser Diode User Manual

SureLock™ Wavelength Stabilized Laser Diode User Manual

Case Studies

Brochures

Extending Raman into the THz Domain

Extending Raman into the THz Domain

Extending Raman into the THz Domain