775nm 20mW SM Narrow Linewidth Laser Diodes

775nm 20mW SM Narrow Linewidth Laser Diodes

Single frequency FBG-stabilized laser diode module designed for optical measurement and communication. The laser is packaged in Butterfly package with monitor photodiode and thermo-electric cooler (TEC). Module is pigtailed with 0.5-0.9 m of single mode or polarization maintaining (optional) fiber and connectorized by FC/APC connector.

Product features：Optical output: 20mW；Narrow linewidth (Δν < 1MHz)；Wavelength: 770nm @ 25℃；SMor PMFiber (ø0.9mm)；FC-APC connector；14-pin butterfly package；Internal monitor PD and TEC；Low power consumption

Part Number：MP-NL-775-A-A81-SA

Application area：Coherent Optical Communication | High-Precision Fiber Optic Sensing | LiDAR | Optical Metrology & Spectroscopy | Microwave Photonics

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Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Wavelength Output Power Fiber Type

775nm 20mW SM

Dimension Drawing

General Parameters

Optical and Electrical Characteristics

Parameter	Symbol	Test condition	Min.	Typ.	Max.	Unit
Optical Power	P_f	CW	10	20		mW
Pulsed Optical Power	P_fp	Pulse, τ=10µs, D=1%		30		mW
Treshold Current	I_th		30	40	70	мА
Forward Current	I_f	P_f		100	150	mA
Pulsed Forward Current	I_fp	P_fp, τ=10µs, D=1%		200		mA
Forward Voltage	V_f	P_f			2.5	V
Center Wavelength	λ_c	P_f	774	775	776	nm
Spectral Width	Δλ_c	P_f			1	MHz
Side Mode Suppression Ratio		SMSR	30			dB
Single-Frequency Continuous Tuning Range	Δf		1			GHz
Current Tuning	Δλ/ΔI			0.001		nm/mA
Temperature Tuning	Δλ/ΔT			0.08		nm/°C
Monitor Current	I_m	P_f	20		500	µA
PD Dark Current	I_d	V_rd=5V			0.1	µA
TEC Current	I_t	I_t			1.4	A
TEC Voltage	V_t	TC=70°C			2.7	V
Thermal Resistance	R₀	T=25°С, B=3900±100K	9.5	10	10.5	kΩ
Extinction Ratio (PM fiber)	X_p	P_f	20			dB

Absolute maximum ratings:

Parameter	Symbol	Rating	Unit
Forward Current	I_f	170	mA
Reverse Voltage	V_r	1.8	V
PD Reserve Voltage	V_rd	7	V
Minimum Operation Case Temperature	T_ol	-40	°C
Maximum Operation Case Temperature	T_oh	70	°C
Minimum Storage Temperature	T_sl	-40	°C
Maximum Storage Temperature	T_sh	70	°C
TEC Current	I_t	1.5	A

Pin definition

2.1.png

None PZT Bulit inside
NO	Parameter	NO	Parameter
1	Cooler anode+	8	NC
2	Thermistor	9	NC
3	PD anode-	10	LD anode+
4	PD cathode+	11	LD cathode-
5	Thermistor	12	NC
6	NC	13	Case
7	NC	14	Cooler cathode-

2.2.png

Spectrum

2.3.png

L-I-V Curve

2.4.png

Wavelength Stability Measurement

Beam Quality(M2,2D/3D Beam）

Fiber Pigtail Specifications

Parameters	Description
Fiber Type	HI780/PM780fiber
Jacket Type	900μm loose tube
Pigtail Length	1.0±0.1m
Connector Type	FC/APC
PM fiber Connector Orientation	Please see the right figure

2.9.png

Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked

Optional Configurations

Downloads

775nm 20mW SM Narrow Linewidth Laser Diodes.pdf

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Product title: 775nm 20mW SM Narrow Linewidth Laser Diodes

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