LASER LINE INTERFERENCE FILTERS

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These filters pass a limited band centered on the resonance of the laser and attenuate the background plasma and secondary emissions that often result in erroneous signals. In the case of diode lasers, these filters can be used to make the light output more monochromatic.

Laser line filters provide 70 - 90% throughput with spectral control from 0.85 10 1.15 of the CWL. An accessory blocker can be ordered to control a much wider spectral range from the deep UV to the IR. This additional blocker results in a minor (20%) loss of throughput.

Standard Specifications:
Ring Diameter : Ring Thickness(t) : Clear Aperture : FWHM: Block: Mounted Material:	D25.4±0.2mm 3mm >d20mm 10nm 0.01%(±10nm from the peak) Black anodized aluminum

Standard Laser Line Interference Filters: Wavelenth (nm) Wavelenth tolerance(nm) Peak Transmission Product Number 355 ±2nm 30% UQT-LLIF0101 488 ±2nm 50% UQT-LLIF0102 514.2 ±2nm 60% UQT-LLIF0103 532 ±2nm 60% UQT-LLIF0104 632.8 ±2nm 60% UQT-LLIF0105 670 ±2nm 60% UQT-LLIF0106 780 ±2nm 60% UQT-LLIF0107 830 ±2nm 60% UQT-LLIF0108 850 ±2nm 60% UQT-LLIF0109 980 ±2nm 60% UQT-LLIF0110 1064 ±2nm 60% UQT-LLIF0111 1550 ±3nm 60% UQT-LLIF0112
Please Contact ultiQuest for other dimensions in prototype and production quantities.
NOTES!
	Interference filters depend on the field angle of incident light. When it is at an angle, the center wavelength shifts to the shorter wavelength and transmittance also decreases. Therefore, enter a parallel or almost parallel light at a zero angle. (As the half bandwidth decreases, angle dependency increases.) The center wavelength tolerance is set to the longer wavelength side by considering the angle dependency of interference filters.
	The design temperature is 23°C. Each specification value is valid when it is 23°C. (As the temperature increases, the wavelength shifts to the longer wavelength side.)
	Filter thickness is not specified because it changes according to lots.
	Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.