THORLABS M617F2 Manuel utilisateur
February1,2018
MTN005533‐S01,RevB
Description
Thorlabs’ M617F2 Fiber-Coupled LED has a nominal wavelength of 617 nm, outputs more than 10.2 mW of
power, and is mounted to the end of a heat sink. The output is compatible with SMA fiber connectors. This LED
needs to be supplied with a constant current that must not exceed 1000 mA.
Specifications
Specification Value
Color Orange
Nominal Wavelength 617 nm
Test Current for Typical LED Power 1000 mA
Maximum Current (CW) 1000 mA
Bandwidth (FWHM) 15 nm
Electrical Power 2200 mW
Typical Lifetime >50 000 h
Operating Temperature
(Non-Condensing) 0 to 40 °C
Storage Temperature -40 to 70 °C
Emitter Size 1 mm x 1 mm
Risk GroupaRG0 – Exempt Risk Group
a. According to the standard IEC 62471:2006, Photobiological Safety of Lamps and Lamp Systems
M617F2
Symbol Min Typical Max
Dominant Wavelengtha λp 610 nm 617 nm 620 nm
LED Power Output (Ø400 µm Fiber)a,b Pout 10.2 mW 13.2 mW -
LED Power Output (Ø200 µm Fiber)a,c Pout - 4.4 mW -
Forward Voltagea VF - 2.2 V -
a. When Driven with the Test Current
b. For multimode fiber with a Ø400 µm core and 0.39 NA (Item # FT400EMT).
c. For multimode fiber with a Ø200 µm core and 0.22 NA (Item # FG200UCC).
Operating Instructions
Be sure to provide air ventilation in order to avoid overheating, drops in optical power, and reduced lifetime. Each LED
has a characteristic switch-on behavior, which depends on the LED properties and environment conditions. An important
criterion is the heat dissipation. The M617F2 has a unique thermal and heat sink design that reduces the power decay to
a minimum.
M617F2’s male connector is a standard M8 x 1 sensor circular connector. Pins 1 and 2 connect to the LED. Pins 3
and 4 are used for the internal EEPROM. Only use these connections when using a Thorlabs LED driver.
After an LED is switched on, it will warm up which can cause a decay in optical power. The heat sink of the M617F2
provides good thermal management, reducing the loss of power as the LED reaches its equilibrium temperature.
M617F2
Fiber-Coupled LED
617 nm
February1,2018
MTN005533‐S01,RevB
Optical Fiber
Fiber connection to the M617F2 must be made via an SMA fiber connector. We recommend
using multimode (MMF) fiber with the M617F2. Optical output power is specified for a Ø400 µm
MMF with an NA of 0.39 at the maximum allowed LED current. Optical power increases proportionally
with the core diameter and nearly proportionally to the square of the NA.
Performance Plots
Drawings
2 LED Cathode (White)
Connector Pin Out
1 LED Anode (Brown)
3 EEPROM GND (Black)
4 EEPROM I0 (Blue)
February1,2018
MTN005533‐S01,RevB
www.thorlabs.com/contact
Power Supply
We recommend using Thorlabs’ DC2200 or LEDD1B LED current drivers (for control of a single LED).
Alternatively, the DC4100 or DC4104 current driver can be used with the DC4100-HUB, which allows
simultaneous control of up to 4 individual LEDs.
If you decide to use your own DC source, please make sure that the operating current does not exceed the
maximum allowed value, sufficient forward voltage is supplied, and that the correct connection is made to
Pins 1 and 2.
Maintenance and Service
Do not stick any items into the SMA connector aperture – you may damage the LED.
The M617F2 is not water resistant and must be protected from adverse weather conditions. To avoid damage,
do not expose it to spray, liquids, or solvents. The M617F2 does not contain any parts serviceable by the user
and does not require regular user maintenance. Do not open the enclosure. If a malfunction occurs, contact
Thorlabs for return instructions.
If your fiber-coupled LED needs repair, please contact Thorlabs for return instructions.
Warnings and Safety
Inappropriate use of any Fiber-Coupled LED product may result in permanent eye damage. To prevent injury,
use this product in accordance with the International Standard “Photobiological Safety of Lamps & Lamp
Systems” IEC 62471. This product falls under Risk Group RG0 – Exempt Risk Group in accordance to the
standard IEC 62471:2006.
If using this LED in a microscope application as a replacement for mercury vapor lamp, the same precautions
should be taken.
During normal operations, the casing temperature may exceed ambient temperature by as much as 25 °C
(45 °F). To prevent higher case temperatures, the products should be operated without anything hindering air
movement around the convective cooling fins.
Please note that this product is not suitable for household room illumination.
This LED must not be operated in explosive environments and should only be used with shielded connection
cables.
All statements regarding safety of operation and technical data only apply when the unit is operated correctly
according to its specifications. The safety of any system incorporating the equipment is the responsibility of
the assembler of the system.
Warning Statement
This LED radiates intense visible light during operation. Precautions must be taken to prevent looking directly
at the light. If viewing the LED directly is necessary, protective glasses must be worn to avoid eye damage. Do
not look directly into the LED or look through the optical system during operation, as this can be harmful to
the eyes, even for brief periods of exposure due to the high intensity of the light.
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