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

SureLock™ 658 nm Wavelength Stabilized Laser Diode

Coherent’s 658 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.

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658 nm Single Mode, Single-Frequency

TO-Can Laser for Instrumentation

Specification Summary

Parameter Symbol Min Typ Max Unit
Output Power Po – – 35 mW
Center Wavelength1 LP 655 656 657 nm
657 658 659 nm
659 660 661 nm
Linewidth Δλ – 300 – 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 50 mA
Operating Current Iop – 65 85 mA
Operating Voltage Vop – 2.4 2.8 V
Laser Reverse Voltage Vrl – – 2 V
Photodiode Reverse Voltage Vrl – – 30 V
Monitoring Output Current Im 0.3 0.5 0.7 mA
Beam Divergence, Perpendicular Qv 12 16 20 Degrees
Beam Divergence, Parallel Qh 7 10 13 Degrees
Off Axis Angle, Perpendicular dQv -3 – 3 Degrees
Off Axis Angle, Parallel dQh -3 – 3 Degrees
Emitter Size – 1 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

Applications

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

Features & Benefits

  • Single frequency performance
  • Narrow linewidth <300 MHz
  • Wavelength stability <0.015 nm/°C
  • Coherence length >2 m</0.015 nm>
  • Compact, hermetically sealed TO footprint
  • Narrow-band ASE filters available

Related Materials

Case Studies

Documents

Optical Feedback Warning

Optical Feedback Warning

SureLock™ Wavelength Stabilized Laser Diode User Manual

SureLock™ Wavelength Stabilized Laser Diode User Manual

Lifetime Aging Report

Lifetime Aging Report

658 nm 35 mW Lifetime Data

658 nm 35 mW Lifetime Data

658 nm Laser Lifetime Data

658 nm Laser Lifetime Data

658 nm Reliability Data

658 nm Reliability Data

SMSR Data for 640 nm, 658 nm, 685 nm, 785 nm Lasers

SMSR Data for 640 nm, 658 nm, 685 nm, 785 nm Lasers

Case Studies

Brochures

Extending Raman into the THz Domain

Extending Raman into the THz Domain

Extending Raman into the THz Domain