Description
The HL-517 Michelson Interferometer Apparatus by H.L. Scientific Industries is a precision optical instrument designed for advanced physics research and laboratory applications. Manufactured under the Physilab brand, it offers high-quality components and meticulous engineering to ensure accurate and reliable measurements.
🔧 Key Specifications
-
Model: HL-517
-
Brand: Physilab
-
Lead Screw: 17 mm diameter, 1 mm pitch, 200 mm threaded length
-
Scales: Three scales, including a linear scale (0–150 mm) and a graduated disc with 0.01 mm divisions
-
Telescope: 10x magnification with a 25 mm achromatic doublet objective and 125 mm focal length
-
Mirror Mounts: Kinematic type with orthogonal tilt adjustments in the X and Y planes
-
Mirror Holders: Accommodate mirrors of 25.4 mm diameter and 12.5 mm thickness
-
Beam Splitter: 40 mm × 30 mm × 8 mm, partially coated with Al + SiO₂ (R/T ratio: 50/50 ±5%)
-
Optical Finish: λ/10 surface flatness, with parallelism between faces <5 arc seconds
-
Mirrors: Front surface coated, 25 mm diameter, 10 mm thickness, with 90% reflectivity
🧪 Applications
The HL-517 Michelson Interferometer is ideal for:
-
Measuring optical path differences and refractive indices
-
Analyzing interference patterns and fringe visibility
-
Educational demonstrations in advanced physics courses
-
Research in optical metrology and precision measurements
🛒 Purchasing Information
The HL-517 model is available for purchase through H.L. Scientific Industries’ official website. For inquiries, you can contact them at:
-
Phone: +91 9896300456, +91 8708647013
-
Email: hlscientific@hotmail.com
-
Address: #54 New Colony, Opp. Industrial Area, Ambala Cantt – 133001, Haryana, India
We are amongst the reputed manufacturers of HL-517 michelson interferometer. These interferometers have lead screw of dia 17 mm, Pitch 1 mm with a threaded length of 200 mm. The lead screw and its nut are optically lapped for maintaining constancy of the pitch. Further, the mirror mounts are of kinematic type that has orthogonal tilt arrangement in x & y plane by using fine threaded screws.
Features:
- Mirror holders (Fitted with mirror mount), which makes them capable of holding mirrors of 25.4 mm dia & 12.5 mm thickness
- Interferometer provided by 3 scales
- Linear scale 0-150 mm graduated in mm is attached with bed of interferometer
- Graduated disc (0-100 Div.) may be peeped through glass window and is provided with head of the Interferometer
- One division of graduated disc H 0.01 mm
- A graduated slow motion drum (Graduation 0-100 Div) fitted on right hand side of Interferometer
- One division of sow drum = 00001 mm. that is least count of Interferometer: 10 ‘mm
Optical Parts:
- Beam Splitter: (Size: 40 mm x 30 mm x 8 mm), partially coated
- Coating Mat: Al + Sio2: R/T ratio: 50/50 ± 5%
- Optical finish: A/10 both faces
- Parallelism between their faces <5 arc seconds
Note: Beam splitter plate (before coating) & compensating plate are carved from same optically worked glass plate having:
Specifications:
- Thickness: 8 mm
- Surface flatness: A/10
- Parallelism between two faces: <5 arc seconds to maintain their optical identity
- Mirror (Front surface coated) Dia: 25 mm, Thickness: 10 mm
- Surface flatness of coated face: A/10 & other face optically polished
- Mirrors reflectivity * 90%
- Telescope Observation The Fringes: Objective is an achromatic doublet of din 25 mm
- F.L: 125 mm
- Telescope magnification: 10x
