CW Blue Lasers

Wavelengths

　473 nm�?88 nm

Laser version

　SLM version

　Low noise version

　Basic version (Part of Crystal Series-DPSS)

473 nm output power (mW)

　10� 5

　15� 10� 5

　150� 100� 75� 50� 25� 10

488 nm output power (mW)

　10� 5

　20� 15� 10� 5

　--

Beam diameter (1/e2)

　1.2 mm

　1.2 mm

　0.7 mm

Beam divergence� full angle

　0.7 mrad

　0.7 mrad

　1 mrad

Transverse mode

Circula，M2�?.2

　Circular� M²� 1.2

　TEMoo� M²< 1.2

Output noise� rms

　< 1% (10 Hz - 50 MHz)

　< 1% (10 Hz - 50 MHz)

　2% (0 - 10 kHz)� �?0% at 300 kHz

Longitudinal mode

　Single

　--

　--

Line width

　< 10^-5nm

　0.8 nm

　1 nm� nominal

Coherence length

　> 100 m

　--

　--

Power stability� rms

　< 2% over 8 hours; Ultra-stable options: 0.5% or 0.25% over 24 hours

Beam pointing stability

　< 0.02 mrad at constant temperature

Polarization

　Linear; Ratio 100:1� Vertical; > 300:1 option available