Inline Filter Holders for Measuring Absorbance and Transmission

Inline filter holders from Ocean Optics are sturdy, convenient accessories for measuring the absorbance and transmission of optical filters and solid samples. Several options are available depending on your application needs.

The FHS-UV inline filter holder is an affordable accessory for quick absorbance or transmission measurement of optical filters. It includes 74-UV 5-mm f/2 collimating lenses for maximum light throughput and a manual light-block wheel for dark readings. This holder is a simple, effective tool for measuring and accommodating filters in optical setups.

The INLINE-SFH is a compact inline filter holder that connects to optical fibers on either side, allowing users to measure optical filters directly in the light path. It accommodates filters 10–12.7 mm in diameter and up to 9 mm thick, making it ideal for absorbance and transmission measurements in fiber-coupled spectroscopy setups.

FHS-UV

INLINE-SFH

Feature / Part NumberFHS-UVINLINE-SFH
Filter TypeStandard round filtersRound filters
Filter SizeUp to 25 mm diameter, 6 mm thick10–12.7 mm diameter, up to 9 mm thick
Collimating Lenses74-UV f/2 lenses for high throughputNot included
Special FeaturesManual light-block wheel for dark readingsCompact design for inline fiber setups
Fiber ConnectionsSMA connectorsSMA connectors
ApplicationsQuick absorbance/transmission measurementsInline absorbance/transmission in tight setups
Use CaseAffordable and practicalCompact and fiber-ready