Coherent® 激光器选择指南

Laser Family	OBIS™	BioRay™	StingRay™

空间模式	TEM₀₀	TEM₀₀	TEM₀₀
M²	1.1 1.3	<1.5	<1.5
光束直径	0.7 ± 0.25mm	~2.7 x 1.0mm	~2.7 x 1.0mm
指向稳定性	<5μRad/°C	<10μRad/°C	<10μRad/°C
RMS噪声
20Hz至20MHz	<0.05% - <0.25%	<0.5%	<0.5%
20Hz至20kHz，峰值至峰值	<0.5% - <1%	<2%	<2%
长期电源稳定性（8小时 ±3°C)	<2%	<2%	<2%
Price	$$$	$$	$

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