850nm polarization locked single mode VCSEL chip laser

Our single-mode VCSELs are designed to meet the stringent specifications of a wide range of optical sensing applications. They provide polarization-stabilized single-mode emission with a symmetrical Gaussian beam profile and typically 1mW output power. Bias currents range from 3 to 6mA.

Product features：Single transverse mode and single longitudinal mode、 Polarization-stabilized emission、 Low power consumption、 High reliability、 Gaussian beam profile、 Back cathode and top anode configuration、 RoHS certified

Application area：Laser mouse、 Optical sensor applications、 Photoelectric encoder

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Part Number

APA8501010001

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General Parameters

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Dimensional Drawing

Technical parameters:

Test conditions: temperature 25℃Operating conditions: T_op = 5°- 45℃; I_op = const., set at 25℃ so that P_op = 0.55mW

Parameters	Symbol	Min.	Typ.	Max.	Unit	Note
Threshold current	I_TH	1	3	5	mA	T = 25°C
Slope efficiency	η	0.20	0.40	0.65	mW/mA	T = 25°C, I = I_th+1mA
Operating current	I_OP	2.3		6	mA	T = 25°C, P_op=0.55mW
Operating voltage	U_OP			2.3	V	Working conditions
Differential resistance	R_d	20		90	Ω	T = 25°C, P_op=0.55mW
SM optical output power	P_SM	0.9			mW	T = 25°C
Side mode suppression ratio	SMSR	10			dB	T = 25°C, P_op=0.9mW
Polarization direction accuracy	δ_po	-15		+15	deg	T = 25°C, P_op=0.2...0.9mW
Emitted wavelength	λ_peak	840	850	860	nm	Working conditions
Beam divergence	θ_FW1/e2	13	17	21	deg	T = 25°C, P_op=0.5mW
Change of optical power with temperature	P(T) ‒ P_op	-200		+120	µW	I_op, T=5...45°C

SM = Single Mode; FW1/e² = Full Width 1/e²

Absolute Maximum Ratings:

Parameters	Max	Unit	Note
Continuous operating current	8	mA	3
Continuous reverse voltage	8	V
PCB solder or reflow temperature	260	°C	Up to 10 seconds

Package size: chip size

Parameters	Min.	Typ.	Max.	Note
Chip width	135	155	175	µm
Chip length	135	155	175	µm
Chip thickness	135	150	165	µm

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